/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=0.2 --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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:53:17,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:53:17,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:53:17,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:53:17,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:53:17,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:53:17,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:53:17,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:53:17,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:53:17,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:53:17,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:53:17,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:53:17,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:53:17,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:53:17,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:53:17,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:53:17,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:53:17,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:53:17,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:53:17,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:53:17,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:53:17,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:53:17,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:53:17,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:53:17,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:53:17,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:53:17,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:53:17,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:53:17,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:53:17,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:53:17,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:53:17,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:53:17,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:53:17,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:53:17,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:53:17,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:53:17,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:53:17,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:53:17,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:53:17,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:53:17,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:53:17,850 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 10:53:17,876 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:53:17,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:53:17,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:53:17,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:53:17,878 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:53:17,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:53:17,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:53:17,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:53:17,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:53:17,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:53:17,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:53:17,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:53:17,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:53:17,880 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:53:17,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:53:17,880 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:53:17,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:53:17,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:53:17,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:53:17,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:53:17,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:53:17,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:53:17,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:53:17,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:53:17,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:53:17,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:53:17,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:53:17,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:53:17,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:53:17,883 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 10:53:18,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:53:18,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:53:18,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:53:18,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:53:18,415 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:53:18,416 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-09-25 10:53:18,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/390978fb9/55042a0e0c1d48f58b4809594841ff79/FLAG41787a487 [2020-09-25 10:53:19,152 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:53:19,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-09-25 10:53:19,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/390978fb9/55042a0e0c1d48f58b4809594841ff79/FLAG41787a487 [2020-09-25 10:53:19,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/390978fb9/55042a0e0c1d48f58b4809594841ff79 [2020-09-25 10:53:19,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:53:19,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:53:19,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:53:19,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:53:19,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:53:19,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:53:19" (1/1) ... [2020-09-25 10:53:19,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:19, skipping insertion in model container [2020-09-25 10:53:19,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:53:19" (1/1) ... [2020-09-25 10:53:19,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:53:19,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:53:19,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:53:19,825 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:53:20,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:53:20,099 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:53:20,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20 WrapperNode [2020-09-25 10:53:20,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:53:20,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:53:20,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:53:20,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:53:20,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20" (1/1) ... [2020-09-25 10:53:20,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20" (1/1) ... [2020-09-25 10:53:20,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20" (1/1) ... [2020-09-25 10:53:20,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20" (1/1) ... [2020-09-25 10:53:20,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20" (1/1) ... [2020-09-25 10:53:20,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20" (1/1) ... [2020-09-25 10:53:20,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20" (1/1) ... [2020-09-25 10:53:20,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:53:20,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:53:20,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:53:20,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:53:20,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20" (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 10:53:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:53:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:53:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:53:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:53:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:53:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:53:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:53:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:53:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:53:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:53:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:53:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:53:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:53:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:53:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:53:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:53:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 10:53:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:53:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:53:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:53:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:53:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:53:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 10:53:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:53:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:53:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:53:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:53:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:53:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:53:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 10:53:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:53:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:53:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:53:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:53:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:53:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:53:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:53:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:53:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:53:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:53:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:53:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:53:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:53:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:53:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:53:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:53:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:53:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:53:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:53:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:53:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:53:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:53:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:53:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:53:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:53:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:53:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:53:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:53:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:53:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:53:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 10:53:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:53:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:53:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:53:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:53:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:53:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:53:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 10:53:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 10:53:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:53:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:53:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:53:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:53:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:53:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:53:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:53:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:53:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:53:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:53:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:53:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:53:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:53:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:53:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:53:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:53:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:53:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:53:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:53:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:53:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:53:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:53:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:53:21,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:53:21,559 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:53:21,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:53:21 BoogieIcfgContainer [2020-09-25 10:53:21,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:53:21,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:53:21,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:53:21,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:53:21,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:53:19" (1/3) ... [2020-09-25 10:53:21,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdaa2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:53:21, skipping insertion in model container [2020-09-25 10:53:21,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:53:20" (2/3) ... [2020-09-25 10:53:21,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdaa2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:53:21, skipping insertion in model container [2020-09-25 10:53:21,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:53:21" (3/3) ... [2020-09-25 10:53:21,579 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-09-25 10:53:21,590 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:53:21,601 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:53:21,625 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:53:21,660 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:53:21,660 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:53:21,660 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:53:21,660 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:53:21,660 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:53:21,661 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:53:21,661 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:53:21,661 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:53:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-25 10:53:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 10:53:21,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:53:21,711 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 10:53:21,711 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:53:21,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:53:21,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1113961409, now seen corresponding path program 1 times [2020-09-25 10:53:21,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:53:21,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245943620] [2020-09-25 10:53:21,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:53:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:22,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:22,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:23,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:24,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:24,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:27,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:27,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 10:53:27,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:53:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 10:53:27,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:27,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 10:53:27,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 10:53:27,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 10:53:27,613 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:53:27,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:53:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:27,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:27,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:27,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:53:27,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:27,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-09-25 10:53:27,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:27,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 10:53:27,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:28,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:53:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:28,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:28,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:28,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:28,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:53:28,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:53:28,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:53:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:28,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:28,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:28,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:28,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:28,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:53:28,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:28,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:28,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:53:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:28,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:28,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:28,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:53:28,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:53:28,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:28,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:53:28,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:53:28,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:53:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:28,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:28,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:53:28,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:28,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:28,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:53:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:28,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:28,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:28,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:53:28,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:53:28,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:28,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:53:28,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:53:28,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:53:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:28,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:28,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:28,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:53:28,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:28,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:53:28,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:28,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:53:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:53:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:53:28,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:28,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 10:53:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:28,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:28,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:28,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:53:28,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:53:28,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:28,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:53:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:53:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:53:28,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:53:28,255 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 10:53:28,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245943620] [2020-09-25 10:53:28,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:53:28,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:53:28,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757066551] [2020-09-25 10:53:28,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:53:28,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:53:28,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:53:28,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:53:28,322 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 5 states. [2020-09-25 10:53:28,936 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:53:29,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:53:29,805 INFO L93 Difference]: Finished difference Result 426 states and 504 transitions. [2020-09-25 10:53:29,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:53:29,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 10:53:29,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:53:29,827 INFO L225 Difference]: With dead ends: 426 [2020-09-25 10:53:29,827 INFO L226 Difference]: Without dead ends: 278 [2020-09-25 10:53:29,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:53:29,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-09-25 10:53:29,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 233. [2020-09-25 10:53:29,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-25 10:53:29,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 250 transitions. [2020-09-25 10:53:29,937 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 250 transitions. Word has length 148 [2020-09-25 10:53:29,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:53:29,938 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 250 transitions. [2020-09-25 10:53:29,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:53:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2020-09-25 10:53:29,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 10:53:29,943 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:53:29,943 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 10:53:29,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:53:29,943 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:53:29,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:53:29,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1636108198, now seen corresponding path program 1 times [2020-09-25 10:53:29,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:53:29,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780048678] [2020-09-25 10:53:29,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:53:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:30,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:31,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:31,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:32,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 10:53:35,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:53:35,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 10:53:35,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:53:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:53:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-25 10:53:35,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:53:35,414 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:53:35,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:53:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:53:35,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-25 10:53:35,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:53:35,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:53:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:35,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:53:35,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:35,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:35,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:35,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:53:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:35,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:53:35,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:35,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:53:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:53:35,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:53:35,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:53:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:53:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:53:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:35,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:53:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:53:35,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:53:35,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:53:35,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 10:53:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:53:35,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:53:35,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 10:53:35,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:53:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:35,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:53:35,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:53:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:53:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 10:53:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:53:35,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:53:35,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:53:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:35,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:53:35,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 10:53:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:35,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:35,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:35,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:53:35,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:35,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:53:35,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:35,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:53:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:53:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:53:35,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:35,935 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 10:53:35,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780048678] [2020-09-25 10:53:35,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:53:35,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:53:35,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33745816] [2020-09-25 10:53:35,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:53:35,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:53:35,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:53:35,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:53:35,939 INFO L87 Difference]: Start difference. First operand 233 states and 250 transitions. Second operand 10 states. [2020-09-25 10:53:36,478 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:53:37,657 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:38,006 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:53:38,363 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:38,761 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 10:53:39,098 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:39,641 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:53:39,988 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:40,409 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:41,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:53:41,461 INFO L93 Difference]: Finished difference Result 578 states and 702 transitions. [2020-09-25 10:53:41,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 10:53:41,469 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-09-25 10:53:41,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:53:41,480 INFO L225 Difference]: With dead ends: 578 [2020-09-25 10:53:41,480 INFO L226 Difference]: Without dead ends: 442 [2020-09-25 10:53:41,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 10:53:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-25 10:53:41,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 323. [2020-09-25 10:53:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-09-25 10:53:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 352 transitions. [2020-09-25 10:53:41,573 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 352 transitions. Word has length 157 [2020-09-25 10:53:41,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:53:41,573 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 352 transitions. [2020-09-25 10:53:41,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:53:41,574 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 352 transitions. [2020-09-25 10:53:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 10:53:41,577 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:53:41,577 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 10:53:41,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:53:41,578 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:53:41,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:53:41,578 INFO L82 PathProgramCache]: Analyzing trace with hash -499221574, now seen corresponding path program 1 times [2020-09-25 10:53:41,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:53:41,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871540610] [2020-09-25 10:53:41,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:53:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:41,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:41,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:42,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:44,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:46,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:46,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 10:53:46,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:53:46,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 10:53:46,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:46,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:46,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:53:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 10:53:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-25 10:53:46,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:53:46,992 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:53:46,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:53:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:53:47,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-09-25 10:53:47,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:47,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 10:53:47,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:53:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:47,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:53:47,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:47,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:53:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:47,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:53:47,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:47,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:47,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:53:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:53:47,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:53:47,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:53:47,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:53:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:47,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:53:47,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:47,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:53:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:53:47,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:53:47,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:47,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:53:47,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:53:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:53:47,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:53:47,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:53:47,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 10:53:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:53:47,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:53:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:53:47,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:53:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:53:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 10:53:47,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:53:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:53:47,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:53:47,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:53:47,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 10:53:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:53:47,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:53:47,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:53:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:53:47,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:53:47,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 10:53:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:53:47,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:53:47,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:53:47,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:53:47,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:53:47,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:53:47,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:53:47,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:53:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:53:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:53:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:53:47,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:53:47,601 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 10:53:47,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871540610] [2020-09-25 10:53:47,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:53:47,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 10:53:47,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241046943] [2020-09-25 10:53:47,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 10:53:47,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:53:47,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 10:53:47,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:53:47,605 INFO L87 Difference]: Start difference. First operand 323 states and 352 transitions. Second operand 11 states. [2020-09-25 10:53:48,184 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:53:49,428 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:49,741 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:50,076 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:50,411 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:50,722 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:51,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:53:51,078 INFO L93 Difference]: Finished difference Result 529 states and 614 transitions. [2020-09-25 10:53:51,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 10:53:51,079 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-09-25 10:53:51,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:53:51,080 INFO L225 Difference]: With dead ends: 529 [2020-09-25 10:53:51,080 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:53:51,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2020-09-25 10:53:51,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:53:51,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:53:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:53:51,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:53:51,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2020-09-25 10:53:51,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:53:51,089 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:53:51,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 10:53:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:53:51,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:53:51,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:53:51,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:53:51,277 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:51,462 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:51,653 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:51,837 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:52,017 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:52,191 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:52,348 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:52,512 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:52,790 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 10:53:52,919 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 9 [2020-09-25 10:53:53,092 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:53,262 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:53,406 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:53:53,569 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:53,723 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:53,877 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:54,035 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:54,201 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:54,359 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:54,521 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:54,674 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:54,836 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:54,995 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:55,148 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:55,312 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:55,579 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 10:53:55,842 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:53:56,097 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:53:56,465 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 10:53:56,832 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 10:53:57,087 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:53:57,365 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 10:53:57,716 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 10:53:57,871 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:58,024 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:58,186 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:58,352 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:58,515 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:58,677 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:58,839 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:58,996 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:59,153 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:59,310 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:53:59,462 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:53:59,641 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:59,802 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:53:59,964 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:00,119 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:54:00,365 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 14 [2020-09-25 10:54:00,533 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:00,694 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:54:00,857 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:01,020 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:01,178 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:01,337 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:01,500 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:01,761 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 10:54:01,924 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:02,087 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:02,250 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:02,404 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:54:02,756 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 10:54:03,017 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 10:54:03,277 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 10:54:03,731 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 10:54:04,181 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 10:54:04,441 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 10:54:04,793 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 10:54:05,149 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 10:54:05,312 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:05,474 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:05,636 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:05,750 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 9 [2020-09-25 10:54:05,903 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:54:06,066 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:06,222 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:06,379 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:06,533 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:54:06,688 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:54:06,851 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:07,318 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 10:54:07,542 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 26 [2020-09-25 10:54:07,750 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-09-25 10:54:08,181 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-09-25 10:54:08,454 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 26 [2020-09-25 10:54:08,632 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 26 [2020-09-25 10:54:08,883 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:54:09,504 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 25 [2020-09-25 10:54:09,951 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 25 [2020-09-25 10:54:10,349 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 12 [2020-09-25 10:54:10,973 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-09-25 10:54:11,430 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-09-25 10:54:11,723 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 26 [2020-09-25 10:54:12,164 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 10:54:12,408 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 26 [2020-09-25 10:54:12,643 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 10:54:12,899 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17