/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:46:47,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:46:47,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:46:47,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:46:47,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:46:47,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:46:47,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:46:47,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:46:47,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:46:47,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:46:47,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:46:47,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:46:47,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:46:47,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:46:47,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:46:47,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:46:47,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:46:47,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:46:47,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:46:47,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:46:47,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:46:47,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:46:47,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:46:47,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:46:47,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:46:47,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:46:47,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:46:47,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:46:47,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:46:47,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:46:47,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:46:47,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:46:47,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:46:47,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:46:47,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:46:47,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:46:47,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:46:47,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:46:47,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:46:47,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:46:47,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:46:47,398 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 08:46:47,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:46:47,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:46:47,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:46:47,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:46:47,444 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:46:47,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:46:47,444 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:46:47,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:46:47,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:46:47,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:46:47,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:46:47,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:46:47,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:46:47,445 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:46:47,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:46:47,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:46:47,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:46:47,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:46:47,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:46:47,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:46:47,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:46:47,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:46:47,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:46:47,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:46:47,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:46:47,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:46:47,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:46:47,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:46:47,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:46:47,450 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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:46:47,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:46:47,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:46:47,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:46:47,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:46:47,941 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:46:47,943 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2020-09-25 08:46:48,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db23ab377/2fe38b710591439eb716ed51426b40d2/FLAG3a12179bd [2020-09-25 08:46:48,664 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:46:48,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2020-09-25 08:46:48,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db23ab377/2fe38b710591439eb716ed51426b40d2/FLAG3a12179bd [2020-09-25 08:46:48,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db23ab377/2fe38b710591439eb716ed51426b40d2 [2020-09-25 08:46:48,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:46:48,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:46:48,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:46:48,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:46:48,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:46:48,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:46:48" (1/1) ... [2020-09-25 08:46:48,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361633d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:48, skipping insertion in model container [2020-09-25 08:46:48,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:46:48" (1/1) ... [2020-09-25 08:46:48,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:46:49,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:46:49,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:46:49,515 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:46:49,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:46:49,642 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:46:49,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49 WrapperNode [2020-09-25 08:46:49,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:46:49,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:46:49,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:46:49,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:46:49,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49" (1/1) ... [2020-09-25 08:46:49,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49" (1/1) ... [2020-09-25 08:46:49,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49" (1/1) ... [2020-09-25 08:46:49,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49" (1/1) ... [2020-09-25 08:46:49,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49" (1/1) ... [2020-09-25 08:46:49,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49" (1/1) ... [2020-09-25 08:46:49,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49" (1/1) ... [2020-09-25 08:46:49,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:46:49,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:46:49,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:46:49,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:46:49,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49" (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 08:46:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:46:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:46:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:46:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:46:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:46:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:46:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:46:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:46:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:46:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:46:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:46:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:46:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:46:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:46:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:46:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 08:46:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:46:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:46:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:46:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:46:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:46:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:46:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:46:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:46:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:46:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:46:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:46:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:46:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:46:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:46:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:46:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:46:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:46:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:46:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:46:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:46:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:46:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:46:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:46:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:46:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:46:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:46:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:46:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:46:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:46:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:46:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:46:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:46:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:46:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 08:46:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:46:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:46:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:46:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:46:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:46:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:46:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:46:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:46:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:46:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:46:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:46:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:46:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:46:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:46:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:46:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:46:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:46:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:46:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:46:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:46:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:46:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:46:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:46:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:46:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:46:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:46:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:46:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:46:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:46:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:46:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:46:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:46:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:46:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:46:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:46:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:46:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:46:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:46:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:46:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:46:51,180 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:46:51,180 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:46:51,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:46:51 BoogieIcfgContainer [2020-09-25 08:46:51,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:46:51,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:46:51,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:46:51,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:46:51,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:46:48" (1/3) ... [2020-09-25 08:46:51,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360d1b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:46:51, skipping insertion in model container [2020-09-25 08:46:51,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:46:49" (2/3) ... [2020-09-25 08:46:51,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360d1b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:46:51, skipping insertion in model container [2020-09-25 08:46:51,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:46:51" (3/3) ... [2020-09-25 08:46:51,197 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2020-09-25 08:46:51,209 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:46:51,222 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:46:51,246 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:46:51,284 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:46:51,284 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:46:51,284 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:46:51,284 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:46:51,284 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:46:51,285 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:46:51,285 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:46:51,285 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:46:51,315 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states. [2020-09-25 08:46:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:46:51,333 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:46:51,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:46:51,336 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:46:51,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:46:51,345 INFO L82 PathProgramCache]: Analyzing trace with hash -426938359, now seen corresponding path program 1 times [2020-09-25 08:46:51,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:46:51,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252959007] [2020-09-25 08:46:51,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:46:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:51,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:52,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:53,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:53,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:56,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:56,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:56,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 08:46:56,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:46:56,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 08:46:56,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:56,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:56,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 08:46:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 08:46:57,334 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:46:57,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:46:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:46:57,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-25 08:46:57,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:57,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:57,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:46:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:57,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:46:57,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:57,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:57,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:46:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:57,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:46:57,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:57,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:46:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:57,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:46:57,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:57,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:57,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:46:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:57,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:46:57,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:57,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:46:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:46:57,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:46:57,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:57,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:57,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:46:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:46:57,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:46:57,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:46:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:57,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:46:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:57,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:46:57,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:57,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:46:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:57,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:46:57,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:46:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:46:57,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:46:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:57,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:57,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:57,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:57,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:57,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:46:57,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:57,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:57,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:57,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:46:57,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:57,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:46:57,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252959007] [2020-09-25 08:46:57,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:46:57,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:46:57,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110902212] [2020-09-25 08:46:57,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:46:57,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:46:57,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:46:57,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:46:57,791 INFO L87 Difference]: Start difference. First operand 267 states. Second operand 4 states. [2020-09-25 08:46:58,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:46:58,959 INFO L93 Difference]: Finished difference Result 392 states and 465 transitions. [2020-09-25 08:46:58,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:46:58,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 08:46:58,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:46:58,982 INFO L225 Difference]: With dead ends: 392 [2020-09-25 08:46:58,982 INFO L226 Difference]: Without dead ends: 261 [2020-09-25 08:46:58,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:46:59,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-09-25 08:46:59,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 216. [2020-09-25 08:46:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-09-25 08:46:59,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 232 transitions. [2020-09-25 08:46:59,086 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 232 transitions. Word has length 160 [2020-09-25 08:46:59,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:46:59,087 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 232 transitions. [2020-09-25 08:46:59,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:46:59,088 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 232 transitions. [2020-09-25 08:46:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:46:59,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:46:59,092 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:46:59,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:46:59,093 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:46:59,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:46:59,094 INFO L82 PathProgramCache]: Analyzing trace with hash 660747893, now seen corresponding path program 1 times [2020-09-25 08:46:59,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:46:59,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728770854] [2020-09-25 08:46:59,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:46:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:59,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:59,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:00,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:01,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:02,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 08:47:04,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:47:04,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 08:47:04,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 08:47:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:47:04,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,502 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:47:04,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:47:04,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 08:47:04,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:04,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:47:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:04,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:47:04,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:47:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:04,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:47:04,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:04,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:47:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:04,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:47:04,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:47:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:04,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:47:04,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:47:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:47:04,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:04,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:47:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:47:04,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:04,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:47:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:04,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:04,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:04,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:47:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:04,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:04,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:47:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:04,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:04,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:04,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:04,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:04,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:04,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:04,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:04,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:47:04,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728770854] [2020-09-25 08:47:04,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:47:04,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:47:04,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770882457] [2020-09-25 08:47:04,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:47:04,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:47:04,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:47:04,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:47:04,748 INFO L87 Difference]: Start difference. First operand 216 states and 232 transitions. Second operand 5 states. [2020-09-25 08:47:05,558 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:06,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:47:06,188 INFO L93 Difference]: Finished difference Result 308 states and 347 transitions. [2020-09-25 08:47:06,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:47:06,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 08:47:06,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:47:06,192 INFO L225 Difference]: With dead ends: 308 [2020-09-25 08:47:06,192 INFO L226 Difference]: Without dead ends: 250 [2020-09-25 08:47:06,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:47:06,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-09-25 08:47:06,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 206. [2020-09-25 08:47:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-09-25 08:47:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 219 transitions. [2020-09-25 08:47:06,247 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 219 transitions. Word has length 161 [2020-09-25 08:47:06,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:47:06,248 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 219 transitions. [2020-09-25 08:47:06,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:47:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 219 transitions. [2020-09-25 08:47:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 08:47:06,259 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:47:06,260 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:47:06,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:47:06,260 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:47:06,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:47:06,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1177715725, now seen corresponding path program 1 times [2020-09-25 08:47:06,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:47:06,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684388507] [2020-09-25 08:47:06,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:47:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:06,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:06,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:06,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:08,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 08:47:11,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:47:11,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 08:47:11,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:11,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 08:47:11,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 08:47:11,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:11,609 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:47:11,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:47:11,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 08:47:11,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:11,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:47:11,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:47:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:11,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:47:11,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:11,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:47:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:47:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:11,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:47:11,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:11,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:11,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:47:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:11,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:47:11,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:11,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:47:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:11,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:47:11,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:11,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:47:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:47:11,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:11,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:11,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:47:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:47:11,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:11,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:11,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:11,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:47:11,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:11,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:47:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:47:11,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:47:11,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:47:11,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:47:11,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:11,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:47:11,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:11,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:11,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:11,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:11,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 08:47:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:11,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:11,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:11,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 08:47:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:11,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:11,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:11,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:11,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:11,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:47:11,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:11,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:47:11,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684388507] [2020-09-25 08:47:11,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:47:11,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:47:11,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376162750] [2020-09-25 08:47:11,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:47:11,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:47:11,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:47:11,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:47:11,973 INFO L87 Difference]: Start difference. First operand 206 states and 219 transitions. Second operand 6 states. [2020-09-25 08:47:12,695 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:47:14,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:47:14,071 INFO L93 Difference]: Finished difference Result 458 states and 533 transitions. [2020-09-25 08:47:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:47:14,071 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 08:47:14,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:47:14,080 INFO L225 Difference]: With dead ends: 458 [2020-09-25 08:47:14,081 INFO L226 Difference]: Without dead ends: 367 [2020-09-25 08:47:14,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:47:14,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-09-25 08:47:14,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 281. [2020-09-25 08:47:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-25 08:47:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-09-25 08:47:14,164 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 174 [2020-09-25 08:47:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:47:14,167 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-09-25 08:47:14,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:47:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-09-25 08:47:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-25 08:47:14,169 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:47:14,169 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:47:14,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:47:14,170 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:47:14,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:47:14,170 INFO L82 PathProgramCache]: Analyzing trace with hash -573373134, now seen corresponding path program 1 times [2020-09-25 08:47:14,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:47:14,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657526123] [2020-09-25 08:47:14,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:47:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:14,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:14,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:15,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:18,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:18,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 08:47:18,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:47:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4724 [2020-09-25 08:47:18,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:18,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:47:18,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:47:18,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-25 08:47:18,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:19,348 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:47:19,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:47:19,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 08:47:19,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:47:19,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:47:19,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:47:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:19,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:19,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:47:19,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:19,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:47:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:19,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:19,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:47:19,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:19,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:47:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:19,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:47:19,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:47:19,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:19,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:47:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:19,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:19,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:47:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:47:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:47:19,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:19,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:47:19,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:19,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:47:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:47:19,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:47:19,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:47:19,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:47:19,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:47:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:47:19,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:47:19,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:47:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:19,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:19,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:47:19,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:19,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:19,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:47:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:19,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:19,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:47:19,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:47:19,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 08:47:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:19,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:19,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:47:19,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:47:19,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 08:47:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:19,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:19,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:19,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:19,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:19,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:47:19,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:19,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:19,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:47:19,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:19,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:47:19,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 08:47:19,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657526123] [2020-09-25 08:47:19,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:47:19,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:47:19,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193542930] [2020-09-25 08:47:19,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:47:19,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:47:19,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:47:19,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:47:19,938 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 10 states. [2020-09-25 08:47:20,501 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:21,511 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:21,840 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:47:22,767 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:23,115 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:47:23,431 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:23,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:47:23,498 INFO L93 Difference]: Finished difference Result 500 states and 589 transitions. [2020-09-25 08:47:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:47:23,499 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-09-25 08:47:23,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:47:23,500 INFO L225 Difference]: With dead ends: 500 [2020-09-25 08:47:23,501 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:47:23,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 08:47:23,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:47:23,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:47:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:47:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:47:23,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2020-09-25 08:47:23,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:47:23,505 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:47:23,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:47:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:47:23,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:47:23,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:47:23,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:47:23,716 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:23,934 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:24,114 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:24,281 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:24,448 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:24,614 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:24,935 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:47:25,253 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:47:25,562 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:47:25,865 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:47:26,010 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:47:26,130 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 7 [2020-09-25 08:47:26,289 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:26,450 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:26,609 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:26,769 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:26,926 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:27,085 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:27,243 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:27,396 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:27,554 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:27,712 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:27,865 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:28,026 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:28,188 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:28,342 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:28,501 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:28,659 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:28,816 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:28,974 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:29,128 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:29,292 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:29,449 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:29,608 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:29,766 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:29,924 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:30,083 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:30,244 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:30,397 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:30,499 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 7 [2020-09-25 08:47:30,651 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:30,809 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:30,971 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:31,147 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:31,305 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:31,411 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 7 [2020-09-25 08:47:31,569 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:31,727 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:31,892 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:47:32,050 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:32,209 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:32,366 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:32,469 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 7 [2020-09-25 08:47:32,583 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 7 [2020-09-25 08:47:32,740 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:47:32,847 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 7 [2020-09-25 08:47:33,150 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:47:33,449 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:47:33,748 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:47:34,048 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:47:34,262 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 08:47:34,508 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 08:47:34,759 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 08:47:34,995 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-25 08:47:35,156 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-09-25 08:47:35,416 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:47:35,658 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-25 08:47:35,995 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 14 [2020-09-25 08:47:36,152 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-25 08:47:36,538 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 10 [2020-09-25 08:47:36,745 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-25 08:47:36,981 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 08:47:37,378 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 10 [2020-09-25 08:47:37,786 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 10 [2020-09-25 08:47:38,023 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 08:47:38,232 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1