/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=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:31:50,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:31:50,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:31:50,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:31:50,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:31:50,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:31:50,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:31:50,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:31:50,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:31:50,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:31:50,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:31:50,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:31:50,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:31:50,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:31:50,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:31:50,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:31:50,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:31:50,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:31:50,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:31:50,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:31:50,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:31:50,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:31:50,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:31:50,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:31:50,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:31:50,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:31:50,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:31:50,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:31:50,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:31:50,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:31:50,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:31:50,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:31:50,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:31:50,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:31:50,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:31:50,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:31:50,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:31:50,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:31:50,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:31:50,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:31:50,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:31:50,965 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 22:31:51,006 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:31:51,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:31:51,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:31:51,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:31:51,010 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:31:51,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:31:51,010 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:31:51,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:31:51,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:31:51,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:31:51,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:31:51,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:31:51,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:31:51,012 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:31:51,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:31:51,013 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:31:51,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:31:51,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:31:51,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:31:51,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:31:51,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:31:51,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:31:51,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:31:51,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:31:51,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:31:51,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:31:51,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:31:51,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:31:51,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:31:51,017 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:31:51,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:31:51,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:31:51,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:31:51,497 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:31:51,497 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:31:51,499 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-09-24 22:31:51,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf14cb7d1/a47301331c154f508ad727ad00b5410f/FLAG8f9784a6f [2020-09-24 22:31:52,161 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:31:52,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-09-24 22:31:52,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf14cb7d1/a47301331c154f508ad727ad00b5410f/FLAG8f9784a6f [2020-09-24 22:31:52,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf14cb7d1/a47301331c154f508ad727ad00b5410f [2020-09-24 22:31:52,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:31:52,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:31:52,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:31:52,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:31:52,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:31:52,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:31:52" (1/1) ... [2020-09-24 22:31:52,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:52, skipping insertion in model container [2020-09-24 22:31:52,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:31:52" (1/1) ... [2020-09-24 22:31:52,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:31:52,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:31:52,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:31:53,043 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:31:53,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:31:53,232 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:31:53,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53 WrapperNode [2020-09-24 22:31:53,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:31:53,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:31:53,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:31:53,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:31:53,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53" (1/1) ... [2020-09-24 22:31:53,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53" (1/1) ... [2020-09-24 22:31:53,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53" (1/1) ... [2020-09-24 22:31:53,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53" (1/1) ... [2020-09-24 22:31:53,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53" (1/1) ... [2020-09-24 22:31:53,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53" (1/1) ... [2020-09-24 22:31:53,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53" (1/1) ... [2020-09-24 22:31:53,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:31:53,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:31:53,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:31:53,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:31:53,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53" (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 22:31:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:31:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:31:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:31:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 22:31:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:31:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:31:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:31:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:31:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:31:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:31:53,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:31:53,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:31:53,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:31:53,420 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:31:53,420 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:31:53,421 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:31:53,421 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:31:53,421 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:31:53,421 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:31:53,422 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:31:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:31:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:31:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:31:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:31:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:31:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 22:31:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 22:31:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:31:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:31:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:31:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:31:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:31:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:31:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:31:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:31:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:31:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:31:53,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:31:53,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:31:53,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:31:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:31:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:31:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:31:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:31:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:31:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:31:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 22:31:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:31:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:31:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:31:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:31:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:31:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:31:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:31:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:31:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:31:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:31:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:31:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:31:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:31:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:31:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:31:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:31:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:31:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:31:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:31:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:31:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:31:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:31:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:31:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 22:31:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 22:31:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:31:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:31:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:31:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:31:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:31:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:31:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:31:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:31:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:31:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:31:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:31:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:31:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:31:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:31:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:31:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:31:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:31:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:31:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:31:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:31:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:31:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:31:54,633 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:31:54,633 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:31:54,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:31:54 BoogieIcfgContainer [2020-09-24 22:31:54,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:31:54,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:31:54,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:31:54,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:31:54,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:31:52" (1/3) ... [2020-09-24 22:31:54,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2492ec9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:31:54, skipping insertion in model container [2020-09-24 22:31:54,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:31:53" (2/3) ... [2020-09-24 22:31:54,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2492ec9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:31:54, skipping insertion in model container [2020-09-24 22:31:54,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:31:54" (3/3) ... [2020-09-24 22:31:54,653 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2020-09-24 22:31:54,665 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:31:54,678 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:31:54,702 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:31:54,741 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:31:54,741 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:31:54,742 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:31:54,742 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:31:54,742 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:31:54,742 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:31:54,742 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:31:54,742 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:31:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-24 22:31:54,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 22:31:54,796 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:31:54,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:31:54,799 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:31:54,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:31:54,809 INFO L82 PathProgramCache]: Analyzing trace with hash 944307102, now seen corresponding path program 1 times [2020-09-24 22:31:54,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:31:54,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821580666] [2020-09-24 22:31:54,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:31:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:31:55,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:31:55,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:31:57,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:31:58,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:00,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:00,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:00,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 22:32:00,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:32:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-24 22:32:00,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:00,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:32:00,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-24 22:32:00,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:32:00,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:32:00,808 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:32:00,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:32:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:00,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:00,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:00,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:32:00,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:00,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-09-24 22:32:00,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:00,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:00,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:01,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:32:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:01,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:01,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:01,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:01,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:01,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:01,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:01,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:01,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:32:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:01,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:01,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:01,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:01,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:01,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:01,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:01,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:32:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:01,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:01,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:01,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:01,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:01,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:32:01,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:01,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:01,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:01,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:01,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:32:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:01,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:01,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:01,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:01,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:01,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:01,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:32:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:01,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:01,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:01,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:01,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:01,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:32:01,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:32:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:32:01,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:01,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 22:32:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:01,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:01,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:01,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:01,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:32:01,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:32:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:32:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:32:01,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821580666] [2020-09-24 22:32:01,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:32:01,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:32:01,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533608168] [2020-09-24 22:32:01,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:32:01,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:32:01,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:32:01,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:32:01,295 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 8 states. [2020-09-24 22:32:02,023 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:32:03,271 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:32:03,641 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:32:04,002 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:32:04,325 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:32:04,637 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:32:05,496 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:32:05,830 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:32:06,252 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:32:07,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:32:07,367 INFO L93 Difference]: Finished difference Result 605 states and 747 transitions. [2020-09-24 22:32:07,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:32:07,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 22:32:07,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:32:07,394 INFO L225 Difference]: With dead ends: 605 [2020-09-24 22:32:07,394 INFO L226 Difference]: Without dead ends: 403 [2020-09-24 22:32:07,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-24 22:32:07,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2020-09-24 22:32:07,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 358. [2020-09-24 22:32:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-09-24 22:32:07,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 407 transitions. [2020-09-24 22:32:07,557 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 407 transitions. Word has length 142 [2020-09-24 22:32:07,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:32:07,558 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 407 transitions. [2020-09-24 22:32:07,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:32:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 407 transitions. [2020-09-24 22:32:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 22:32:07,564 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:32:07,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:07,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:32:07,565 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:32:07,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:32:07,565 INFO L82 PathProgramCache]: Analyzing trace with hash 2090273296, now seen corresponding path program 1 times [2020-09-24 22:32:07,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:32:07,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679465082] [2020-09-24 22:32:07,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:32:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:07,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:09,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 22:32:12,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:32:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-24 22:32:12,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:32:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 22:32:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:32:12,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:12,985 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:32:12,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:32:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:32:13,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-24 22:32:13,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:32:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:13,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:13,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:32:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:13,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:32:13,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:32:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:13,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:32:13,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:32:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:13,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:13,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:13,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 22:32:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:32:13,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 22:32:13,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:32:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:32:13,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:32:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:13,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:32:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:32:13,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 22:32:13,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:32:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:32:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:32:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:32:13,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:32:13,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:32:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:32:13,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 22:32:13,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:32:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:32:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:32:13,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:32:13,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:32:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:13,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:13,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:32:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:32:13,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:13,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:13,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 22:32:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:13,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:13,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:32:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 22:32:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:13,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:13,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:13,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:13,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:13,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:32:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:32:13,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679465082] [2020-09-24 22:32:13,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:32:13,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:32:13,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039458566] [2020-09-24 22:32:13,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:32:13,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:32:13,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:32:13,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:32:13,651 INFO L87 Difference]: Start difference. First operand 358 states and 407 transitions. Second operand 9 states. [2020-09-24 22:32:15,083 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:32:15,436 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:32:15,744 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:32:16,087 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:32:16,445 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:32:16,753 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:32:17,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:32:17,793 INFO L93 Difference]: Finished difference Result 697 states and 874 transitions. [2020-09-24 22:32:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 22:32:17,795 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 198 [2020-09-24 22:32:17,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:32:17,803 INFO L225 Difference]: With dead ends: 697 [2020-09-24 22:32:17,803 INFO L226 Difference]: Without dead ends: 449 [2020-09-24 22:32:17,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:32:17,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-09-24 22:32:17,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 369. [2020-09-24 22:32:17,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-09-24 22:32:17,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 418 transitions. [2020-09-24 22:32:17,881 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 418 transitions. Word has length 198 [2020-09-24 22:32:17,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:32:17,882 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 418 transitions. [2020-09-24 22:32:17,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:32:17,882 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 418 transitions. [2020-09-24 22:32:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 22:32:17,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:32:17,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:32:17,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:32:17,887 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:32:17,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:32:17,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1099122917, now seen corresponding path program 1 times [2020-09-24 22:32:17,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:32:17,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641537372] [2020-09-24 22:32:17,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:32:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:18,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:18,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:18,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:18,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:22,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:22,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-24 22:32:22,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:32:22,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-24 22:32:22,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:32:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-24 22:32:22,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:32:22,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:23,307 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:32:23,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:32:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:32:23,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-24 22:32:23,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:32:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:23,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:23,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:32:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:23,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:32:23,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:32:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:23,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:23,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:32:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:23,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:23,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-24 22:32:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 22:32:23,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:32:23,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:32:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 22:32:23,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:32:23,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:32:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:23,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:32:23,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 22:32:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:32:23,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 22:32:23,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:32:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:32:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:32:23,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:32:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:32:23,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 22:32:23,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:32:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:32:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:32:23,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:32:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:32:23,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:32:23,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:32:23,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:32:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:32:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:32:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:32:23,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:32:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:32:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:32:23,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:23,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:32:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:23,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:23,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:23,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:32:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:32:23,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:23,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 22:32:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:23,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:23,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:32:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 22:32:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:23,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:23,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:23,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:23,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:23,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:23,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:23,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:32:23,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:23,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 22:32:23,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641537372] [2020-09-24 22:32:23,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:32:23,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 22:32:23,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057615722] [2020-09-24 22:32:23,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:32:23,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:32:23,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:32:23,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:32:23,860 INFO L87 Difference]: Start difference. First operand 369 states and 418 transitions. Second operand 9 states. [2020-09-24 22:32:25,277 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:32:25,646 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:32:25,935 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:32:26,260 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:32:26,572 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:32:27,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:32:27,770 INFO L93 Difference]: Finished difference Result 741 states and 931 transitions. [2020-09-24 22:32:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 22:32:27,771 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 222 [2020-09-24 22:32:27,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:32:27,776 INFO L225 Difference]: With dead ends: 741 [2020-09-24 22:32:27,776 INFO L226 Difference]: Without dead ends: 482 [2020-09-24 22:32:27,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-24 22:32:27,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-09-24 22:32:27,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 375. [2020-09-24 22:32:27,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-24 22:32:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 424 transitions. [2020-09-24 22:32:27,834 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 424 transitions. Word has length 222 [2020-09-24 22:32:27,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:32:27,834 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 424 transitions. [2020-09-24 22:32:27,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:32:27,835 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 424 transitions. [2020-09-24 22:32:27,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-24 22:32:27,837 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:32:27,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:27,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:32:27,838 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:32:27,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:32:27,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1169380671, now seen corresponding path program 1 times [2020-09-24 22:32:27,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:32:27,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964854933] [2020-09-24 22:32:27,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:32:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:27,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:28,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:32,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:32,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-09-24 22:32:32,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:32:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-24 22:32:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:32:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-24 22:32:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 22:32:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:33,220 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:32:33,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:32:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:32:33,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 22:32:33,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:32:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:33,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:33,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:32:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:33,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:33,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:32:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:33,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:32:33,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:32:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:33,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:32:33,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:33,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 22:32:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:32:33,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:33,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 22:32:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:32:33,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 22:32:33,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:32:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 22:32:33,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:32:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:32:33,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 22:32:33,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:32:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:32:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:32:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:32:33,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:33,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:32:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:32:33,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:32:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:32:33,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 22:32:33,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:32:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 22:32:33,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:32:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:32:33,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:33,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:32:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:33,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:33,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:32:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:32:33,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:33,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:33,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 22:32:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:33,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 22:32:33,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:32:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:32:33,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:33,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 22:32:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:33,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:33,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:33,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:33,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:33,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:32:33,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:32:33,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:33,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:32:33,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964854933] [2020-09-24 22:32:33,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:32:33,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 22:32:33,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250298563] [2020-09-24 22:32:33,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 22:32:33,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:32:33,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 22:32:33,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:32:33,811 INFO L87 Difference]: Start difference. First operand 375 states and 424 transitions. Second operand 11 states. [2020-09-24 22:32:34,332 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:32:34,946 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:32:35,529 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:32:35,862 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:32:36,287 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:32:36,722 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:32:37,112 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:32:37,947 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:32:38,262 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:32:38,566 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:32:38,860 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:32:39,190 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:32:39,612 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:32:39,946 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:32:40,318 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188