/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_spec2_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:59:33,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:59:33,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:59:33,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:59:33,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:59:33,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:59:33,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:59:33,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:59:33,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:59:33,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:59:33,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:59:33,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:59:33,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:59:33,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:59:33,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:59:33,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:59:33,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:59:33,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:59:33,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:59:33,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:59:33,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:59:33,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:59:33,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:59:33,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:59:33,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:59:33,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:59:33,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:59:33,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:59:33,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:59:33,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:59:33,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:59:33,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:59:33,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:59:33,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:59:33,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:59:33,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:59:33,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:59:33,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:59:33,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:59:33,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:59:33,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:59:33,579 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 [2020-09-25 11:59:33,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:59:33,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:59:33,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:59:33,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:59:33,607 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:59:33,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:59:33,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:59:33,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:59:33,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:59:33,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:59:33,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:59:33,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:59:33,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:59:33,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:59:33,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:59:33,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:59:33,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:59:33,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:59:33,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:59:33,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:59:33,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:59:33,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:59:33,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:59:33,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:59:33,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:59:33,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:59:33,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:59:33,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:59:33,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:59:33,612 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 11:59:34,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:59:34,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:59:34,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:59:34,108 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:59:34,108 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:59:34,110 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-09-25 11:59:34,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79d03139b/99fe17f0309c4fb4964ad59813bcfe06/FLAG6cfdb73a8 [2020-09-25 11:59:34,760 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:59:34,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-09-25 11:59:34,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79d03139b/99fe17f0309c4fb4964ad59813bcfe06/FLAG6cfdb73a8 [2020-09-25 11:59:35,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79d03139b/99fe17f0309c4fb4964ad59813bcfe06 [2020-09-25 11:59:35,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:59:35,055 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:59:35,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:59:35,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:59:35,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:59:35,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:59:35" (1/1) ... [2020-09-25 11:59:35,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35, skipping insertion in model container [2020-09-25 11:59:35,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:59:35" (1/1) ... [2020-09-25 11:59:35,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:59:35,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:59:35,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:59:35,687 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:59:35,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:59:35,833 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:59:35,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35 WrapperNode [2020-09-25 11:59:35,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:59:35,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:59:35,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:59:35,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:59:35,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35" (1/1) ... [2020-09-25 11:59:35,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35" (1/1) ... [2020-09-25 11:59:35,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35" (1/1) ... [2020-09-25 11:59:35,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35" (1/1) ... [2020-09-25 11:59:35,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35" (1/1) ... [2020-09-25 11:59:35,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35" (1/1) ... [2020-09-25 11:59:35,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35" (1/1) ... [2020-09-25 11:59:35,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:59:35,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:59:35,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:59:35,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:59:35,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35" (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 [2020-09-25 11:59:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:59:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:59:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:59:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:59:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:59:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:59:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:59:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:59:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 11:59:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 11:59:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:59:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:59:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:59:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:59:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:59:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:59:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:59:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:59:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:59:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:59:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:59:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:59:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:59:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:59:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:59:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:59:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:59:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:59:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:59:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:59:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:59:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:59:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:59:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:59:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:59:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:59:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:59:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:59:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:59:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:59:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:59:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:59:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:59:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:59:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:59:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:59:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 11:59:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:59:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:59:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:59:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:59:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:59:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:59:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:59:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:59:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:59:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 11:59:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:59:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:59:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:59:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:59:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:59:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:59:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:59:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:59:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:59:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:59:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:59:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:59:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:59:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:59:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:59:36,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:59:36,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:59:37,130 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:59:37,131 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:59:37,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:59:37 BoogieIcfgContainer [2020-09-25 11:59:37,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:59:37,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:59:37,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:59:37,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:59:37,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:59:35" (1/3) ... [2020-09-25 11:59:37,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739dd47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:59:37, skipping insertion in model container [2020-09-25 11:59:37,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:35" (2/3) ... [2020-09-25 11:59:37,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739dd47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:59:37, skipping insertion in model container [2020-09-25 11:59:37,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:59:37" (3/3) ... [2020-09-25 11:59:37,148 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2020-09-25 11:59:37,159 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:59:37,170 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:59:37,193 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:59:37,225 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:59:37,225 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:59:37,225 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:59:37,225 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:59:37,226 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:59:37,226 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:59:37,226 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:59:37,226 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:59:37,254 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states. [2020-09-25 11:59:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 11:59:37,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:59:37,273 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] [2020-09-25 11:59:37,273 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:59:37,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:59:37,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1360572740, now seen corresponding path program 1 times [2020-09-25 11:59:37,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:59:37,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779762572] [2020-09-25 11:59:37,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:59:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:37,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:37,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:38,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:39,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:42,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:42,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 11:59:42,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:59:42,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 11:59:42,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:42,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:59:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 11:59:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:59:43,091 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:59:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:59:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:43,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:43,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:43,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:59:43,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:43,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-09-25 11:59:43,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:43,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:59:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:43,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:59:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:43,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:43,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:43,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:43,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:59:43,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:43,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:43,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:43,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:59:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:43,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:43,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:43,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:43,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:43,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:59:43,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:43,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:43,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:43,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:43,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:43,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:59:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:43,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:43,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:43,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:43,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:43,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 11:59:43,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:43,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:59:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:59:43,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:59:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:43,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:43,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:43,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:43,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:59:43,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:43,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:43,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:43,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:43,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:43,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:43,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:59:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:43,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:43,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:43,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:59:43,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:43,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:59:43,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:43,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:59:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:59:43,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 11:59:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:43,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:43,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:43,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:43,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:43,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:43,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:43,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:59:43,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:43,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:59:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:43,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:43,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:43,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:43,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:43,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:59:43,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:43,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:43,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:43,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:59:43,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:43,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:59:43,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:59:43,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779762572] [2020-09-25 11:59:43,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:59:43,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 11:59:43,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335427478] [2020-09-25 11:59:43,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:59:43,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:59:43,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:59:43,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:59:43,679 INFO L87 Difference]: Start difference. First operand 273 states. Second operand 5 states. [2020-09-25 11:59:44,287 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:59:45,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:59:45,048 INFO L93 Difference]: Finished difference Result 404 states and 482 transitions. [2020-09-25 11:59:45,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:59:45,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 11:59:45,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:59:45,070 INFO L225 Difference]: With dead ends: 404 [2020-09-25 11:59:45,070 INFO L226 Difference]: Without dead ends: 267 [2020-09-25 11:59:45,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:59:45,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-09-25 11:59:45,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 222. [2020-09-25 11:59:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-25 11:59:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2020-09-25 11:59:45,195 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 148 [2020-09-25 11:59:45,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:59:45,198 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2020-09-25 11:59:45,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:59:45,198 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2020-09-25 11:59:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 11:59:45,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:59:45,208 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] [2020-09-25 11:59:45,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:59:45,208 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:59:45,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:59:45,209 INFO L82 PathProgramCache]: Analyzing trace with hash -731898127, now seen corresponding path program 1 times [2020-09-25 11:59:45,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:59:45,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994442534] [2020-09-25 11:59:45,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:59:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:45,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:45,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:46,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:46,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:47,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:50,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:50,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 11:59:50,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:59:50,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 11:59:50,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:50,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:59:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 11:59:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-25 11:59:50,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:50,658 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:59:50,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:59:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:50,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:50,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:50,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:59:50,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-25 11:59:50,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:50,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 11:59:50,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:59:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:50,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:50,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:50,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:50,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:50,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:51,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:51,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:51,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:59:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:51,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:51,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:51,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:51,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:51,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:59:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:51,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:59:51,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:59:51,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:59:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:51,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:51,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:51,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:59:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:59:51,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:51,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:51,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:51,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:59:51,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 11:59:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:59:51,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:59:51,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:51,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:51,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:59:51,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:59:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:51,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:59:51,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:51,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:59:51,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 11:59:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:51,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:59:51,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:59:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:59:51,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:59:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:51,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:59:51,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:59:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:51,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:59:51,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994442534] [2020-09-25 11:59:51,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:59:51,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:59:51,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815802155] [2020-09-25 11:59:51,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:59:51,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:59:51,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:59:51,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:59:51,193 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand 10 states. [2020-09-25 11:59:51,776 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:59:52,917 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:53,269 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:59:53,924 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:59:54,259 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:54,870 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:55,181 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:59:55,485 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:59:56,105 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:59:56,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:59:56,753 INFO L93 Difference]: Finished difference Result 545 states and 669 transitions. [2020-09-25 11:59:56,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 11:59:56,754 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-09-25 11:59:56,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:59:56,761 INFO L225 Difference]: With dead ends: 545 [2020-09-25 11:59:56,761 INFO L226 Difference]: Without dead ends: 420 [2020-09-25 11:59:56,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 11:59:56,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-09-25 11:59:56,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 301. [2020-09-25 11:59:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-09-25 11:59:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 330 transitions. [2020-09-25 11:59:56,834 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 330 transitions. Word has length 157 [2020-09-25 11:59:56,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:59:56,835 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 330 transitions. [2020-09-25 11:59:56,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:59:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 330 transitions. [2020-09-25 11:59:56,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 11:59:56,842 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:59:56,842 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] [2020-09-25 11:59:56,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:59:56,843 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:59:56,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:59:56,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1324537707, now seen corresponding path program 1 times [2020-09-25 11:59:56,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:59:56,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278597341] [2020-09-25 11:59:56,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:59:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:56,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:57,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:57,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:01,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:01,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 12:00:01,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:00:01,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 12:00:01,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:01,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:00:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 12:00:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-25 12:00:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:02,300 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:02,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:02,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 12:00:02,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:02,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 12:00:02,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:02,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:02,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:02,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:02,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:02,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:02,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:02,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:02,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:02,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:02,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:02,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:02,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:02,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:02,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:02,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:02,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:02,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:02,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:02,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:02,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:02,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:02,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:00:02,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:02,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:00:02,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:02,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:00:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:00:02,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:00:02,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:02,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:00:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:00:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:00:02,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:00:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:02,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:02,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:02,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:02,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:02,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:00:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:02,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:02,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:02,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:00:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:02,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:02,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:02,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:02,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:02,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:02,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:02,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:00:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:02,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:02,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278597341] [2020-09-25 12:00:02,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:02,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:00:02,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606444215] [2020-09-25 12:00:02,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:00:02,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:02,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:00:02,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:00:02,836 INFO L87 Difference]: Start difference. First operand 301 states and 330 transitions. Second operand 11 states. [2020-09-25 12:00:03,476 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:04,609 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:04,938 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:05,283 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:05,615 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:05,916 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:06,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:06,281 INFO L93 Difference]: Finished difference Result 507 states and 592 transitions. [2020-09-25 12:00:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 12:00:06,282 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-09-25 12:00:06,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:06,283 INFO L225 Difference]: With dead ends: 507 [2020-09-25 12:00:06,283 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:00:06,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2020-09-25 12:00:06,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:00:06,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:00:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:00:06,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:00:06,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2020-09-25 12:00:06,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:06,288 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:00:06,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:00:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:00:06,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:00:06,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:00:06,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:00:06,497 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:06,684 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:06,878 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:07,056 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 9 [2020-09-25 12:00:07,235 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:07,411 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:07,575 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:07,740 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:07,900 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:08,063 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:08,215 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:08,488 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-25 12:00:08,644 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:08,797 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:08,956 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:09,110 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:09,263 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:09,416 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:09,577 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:09,730 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:09,887 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:10,045 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:10,202 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:10,321 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 9 [2020-09-25 12:00:10,478 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:10,630 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:10,794 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:10,957 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:11,129 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:11,283 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:11,440 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:11,599 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:11,758 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:11,916 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:12,069 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:12,223 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:12,375 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:12,530 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:12,695 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:12,854 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:13,011 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:13,168 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:13,505 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:13,843 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:14,117 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 12:00:14,455 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:14,918 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 12:00:15,285 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 12:00:15,629 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:15,904 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 12:00:16,075 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:16,340 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 13 [2020-09-25 12:00:16,499 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:16,657 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:16,814 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:16,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:17,127 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:17,381 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-25 12:00:17,543 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:17,695 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:17,850 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:18,012 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:18,165 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:18,322 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:18,479 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:18,636 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:18,795 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:18,948 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:19,100 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:19,253 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:19,576 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:19,900 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:20,247 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:20,570 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:21,102 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:21,547 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:21,869 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:22,216 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:22,377 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:22,530 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:22,962 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-25 12:00:23,200 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-25 12:00:23,429 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-25 12:00:23,672 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-09-25 12:00:23,889 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-25 12:00:24,111 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-25 12:00:24,368 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:24,929 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-09-25 12:00:25,340 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-25 12:00:25,733 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-25 12:00:26,344 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-09-25 12:00:26,790 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-25 12:00:27,261 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-09-25 12:00:27,503 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-25 12:00:27,762 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-25 12:00:27,979 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 15 [2020-09-25 12:00:28,212 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-25 12:00:28,422 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-25 12:00:28,662 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-25 12:00:28,887 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-25 12:00:29,305 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11