/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=0.8 --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_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:25:25,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:25:25,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:25:25,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:25:25,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:25:25,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:25:25,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:25:25,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:25:25,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:25:25,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:25:25,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:25:25,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:25:25,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:25:25,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:25:25,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:25:25,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:25:25,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:25:25,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:25:25,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:25:25,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:25:25,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:25:25,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:25:25,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:25:25,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:25:25,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:25:25,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:25:25,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:25:25,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:25:25,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:25:25,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:25:25,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:25:25,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:25:25,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:25:25,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:25:25,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:25:25,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:25:25,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:25:25,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:25:25,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:25:25,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:25:25,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:25:25,246 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 07:25:25,294 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:25:25,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:25:25,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:25:25,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:25:25,298 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:25:25,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:25:25,298 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:25:25,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:25:25,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:25:25,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:25:25,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:25:25,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:25:25,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:25:25,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:25:25,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:25:25,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:25:25,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:25:25,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:25:25,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:25:25,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:25:25,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:25:25,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:25:25,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:25:25,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:25:25,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:25:25,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:25:25,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:25:25,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:25:25,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:25:25,304 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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;log-additional-information=true; [2020-09-25 07:25:25,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:25:25,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:25:25,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:25:25,839 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:25:25,839 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:25:25,840 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-25 07:25:25,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28715c9e4/5275415537f745fdb05341b8359a565e/FLAG0ac713a6f [2020-09-25 07:25:26,539 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:25:26,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-25 07:25:26,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28715c9e4/5275415537f745fdb05341b8359a565e/FLAG0ac713a6f [2020-09-25 07:25:26,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28715c9e4/5275415537f745fdb05341b8359a565e [2020-09-25 07:25:26,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:25:26,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:25:26,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:25:26,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:25:26,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:25:26,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:25:26" (1/1) ... [2020-09-25 07:25:26,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336ce4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:26, skipping insertion in model container [2020-09-25 07:25:26,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:25:26" (1/1) ... [2020-09-25 07:25:26,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:25:26,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:25:27,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:25:27,457 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:25:27,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:25:27,651 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:25:27,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27 WrapperNode [2020-09-25 07:25:27,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:25:27,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:25:27,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:25:27,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:25:27,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:25:27,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:25:27,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:25:27,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:25:27,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (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 07:25:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:25:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:25:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:25:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:25:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:25:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:25:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:25:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:25:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:25:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:25:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:25:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:25:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:25:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:25:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:25:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:25:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:25:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:25:27,842 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:25:27,842 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:25:27,842 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:25:27,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:25:27,842 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:25:27,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:25:27,843 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:25:27,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:25:27,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 07:25:27,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:25:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:25:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:25:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:25:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:25:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:25:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:25:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:25:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 07:25:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:25:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:25:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:25:27,846 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:25:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:25:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:25:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:25:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:25:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:25:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:25:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:25:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:25:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:25:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:25:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:25:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:25:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:25:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:25:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:25:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:25:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:25:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:25:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:25:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:25:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:25:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:25:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:25:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:25:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:25:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:25:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:25:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:25:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:25:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:25:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 07:25:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:25:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:25:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:25:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:25:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:25:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:25:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:25:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:25:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:25:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:25:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:25:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:25:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:25:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:25:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:25:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:25:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:25:27,854 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 07:25:27,854 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:25:27,854 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:25:27,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:25:27,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:25:27,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:25:29,046 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:25:29,046 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:25:29,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:25:29 BoogieIcfgContainer [2020-09-25 07:25:29,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:25:29,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:25:29,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:25:29,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:25:29,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:25:26" (1/3) ... [2020-09-25 07:25:29,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f05332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:25:29, skipping insertion in model container [2020-09-25 07:25:29,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (2/3) ... [2020-09-25 07:25:29,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f05332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:25:29, skipping insertion in model container [2020-09-25 07:25:29,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:25:29" (3/3) ... [2020-09-25 07:25:29,063 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-09-25 07:25:29,076 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:25:29,086 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:25:29,107 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:25:29,139 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:25:29,139 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:25:29,140 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:25:29,140 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:25:29,140 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:25:29,140 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:25:29,140 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:25:29,140 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:25:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states. [2020-09-25 07:25:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:25:29,184 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:29,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:25:29,186 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:29,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:29,195 INFO L82 PathProgramCache]: Analyzing trace with hash 779831521, now seen corresponding path program 1 times [2020-09-25 07:25:29,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:29,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621477583] [2020-09-25 07:25:29,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:29,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:32,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:34,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:25:34,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 07:25:34,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:34,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:34,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:34,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:25:34,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:34,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 07:25:35,256 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:35,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:35,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:35,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:35,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:35,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-09-25 07:25:35,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:35,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:35,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:35,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:35,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:35,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:35,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:35,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:35,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:35,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:35,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:35,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:35,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:35,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:35,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:35,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 07:25:35,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:35,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:35,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:35,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:35,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:35,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:35,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:35,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:35,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:25:35,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:35,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:35,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:25:35,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:35,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:35,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:35,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:35,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:35,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:35,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:35,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:35,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:35,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:35,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:25:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:35,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:35,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:35,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:35,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:35,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:35,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:35,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:35,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:35,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:25:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:35,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:35,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:35,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:35,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:35,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:35,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:25:35,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621477583] [2020-09-25 07:25:35,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:35,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:25:35,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014001808] [2020-09-25 07:25:35,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:25:35,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:35,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:25:35,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:25:35,672 INFO L87 Difference]: Start difference. First operand 305 states. Second operand 3 states. [2020-09-25 07:25:37,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:37,259 INFO L93 Difference]: Finished difference Result 478 states and 575 transitions. [2020-09-25 07:25:37,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:25:37,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:25:37,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:37,296 INFO L225 Difference]: With dead ends: 478 [2020-09-25 07:25:37,297 INFO L226 Difference]: Without dead ends: 298 [2020-09-25 07:25:37,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:25:37,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-09-25 07:25:37,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 254. [2020-09-25 07:25:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-25 07:25:37,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 278 transitions. [2020-09-25 07:25:37,512 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 278 transitions. Word has length 142 [2020-09-25 07:25:37,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:37,513 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 278 transitions. [2020-09-25 07:25:37,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:25:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 278 transitions. [2020-09-25 07:25:37,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:25:37,525 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:37,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:25:37,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:25:37,527 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:37,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:37,527 INFO L82 PathProgramCache]: Analyzing trace with hash 912428730, now seen corresponding path program 1 times [2020-09-25 07:25:37,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:37,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752032675] [2020-09-25 07:25:37,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:37,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:37,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:39,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:39,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:40,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:42,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:25:42,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:25:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 07:25:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:42,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:25:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:25:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:42,944 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:42,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:42,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:43,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:43,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:43,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:43,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 07:25:43,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:43,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:43,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:43,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:43,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:43,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:43,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:43,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:43,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:43,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:43,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:25:43,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:43,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:43,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:43,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:43,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:43,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:43,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:43,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:43,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:43,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:43,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:43,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:43,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:43,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:43,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:43,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:43,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:43,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:43,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:43,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:43,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:43,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:43,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:43,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:43,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:43,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:43,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:43,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:43,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:43,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:43,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:43,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:43,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:25:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:43,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:43,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:43,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:43,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:43,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:43,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:43,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:43,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:25:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:43,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:43,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:43,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:43,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:43,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:43,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:43,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:43,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:43,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:25:43,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752032675] [2020-09-25 07:25:43,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:43,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:25:43,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043429282] [2020-09-25 07:25:43,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:25:43,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:43,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:25:43,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:25:43,192 INFO L87 Difference]: Start difference. First operand 254 states and 278 transitions. Second operand 4 states. [2020-09-25 07:25:43,838 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:25:44,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:44,769 INFO L93 Difference]: Finished difference Result 385 states and 438 transitions. [2020-09-25 07:25:44,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:25:44,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:25:44,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:44,773 INFO L225 Difference]: With dead ends: 385 [2020-09-25 07:25:44,773 INFO L226 Difference]: Without dead ends: 281 [2020-09-25 07:25:44,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:25:44,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-25 07:25:44,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 244. [2020-09-25 07:25:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 07:25:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 265 transitions. [2020-09-25 07:25:44,852 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 265 transitions. Word has length 143 [2020-09-25 07:25:44,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:44,854 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 265 transitions. [2020-09-25 07:25:44,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:25:44,854 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 265 transitions. [2020-09-25 07:25:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 07:25:44,857 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:44,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:25:44,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:25:44,857 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:44,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:44,858 INFO L82 PathProgramCache]: Analyzing trace with hash 713806472, now seen corresponding path program 1 times [2020-09-25 07:25:44,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:44,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157092000] [2020-09-25 07:25:44,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:44,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:45,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:46,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:46,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:49,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:49,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 07:25:49,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:49,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 07:25:49,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:49,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 07:25:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:25:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,223 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:50,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:50,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 07:25:50,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:50,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:50,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:50,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:25:50,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:50,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:50,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:25:50,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:50,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:50,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:50,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:50,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:50,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:25:50,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:50,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 07:25:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:25:50,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:50,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:25:50,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 07:25:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:50,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:50,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:25:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:50,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:50,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:25:50,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157092000] [2020-09-25 07:25:50,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:50,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:25:50,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412411474] [2020-09-25 07:25:50,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:25:50,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:50,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:25:50,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:25:50,452 INFO L87 Difference]: Start difference. First operand 244 states and 265 transitions. Second operand 5 states. [2020-09-25 07:25:51,026 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:25:53,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:53,080 INFO L93 Difference]: Finished difference Result 582 states and 682 transitions. [2020-09-25 07:25:53,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:25:53,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 07:25:53,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:53,085 INFO L225 Difference]: With dead ends: 582 [2020-09-25 07:25:53,089 INFO L226 Difference]: Without dead ends: 448 [2020-09-25 07:25:53,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 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 07:25:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-09-25 07:25:53,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 368. [2020-09-25 07:25:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-09-25 07:25:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 411 transitions. [2020-09-25 07:25:53,180 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 411 transitions. Word has length 156 [2020-09-25 07:25:53,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:53,181 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 411 transitions. [2020-09-25 07:25:53,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:25:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 411 transitions. [2020-09-25 07:25:53,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:25:53,184 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:53,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:25:53,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:25:53,184 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:53,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:53,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1380327011, now seen corresponding path program 1 times [2020-09-25 07:25:53,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:53,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028811508] [2020-09-25 07:25:53,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:53,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:57,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 07:25:58,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 07:25:58,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:25:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 07:25:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 07:25:58,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:25:58,698 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:58,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-25 07:25:58,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:58,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:58,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:58,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:58,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:58,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:58,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:58,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:59,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:59,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:59,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:59,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 07:25:59,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:59,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:59,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:59,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:59,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:59,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:59,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:59,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:59,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:25:59,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:59,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:59,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:59,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 07:25:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:59,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:59,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:59,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:25:59,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 07:25:59,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:59,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:25:59,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:59,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:25:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:59,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:59,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:59,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:59,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:59,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:25:59,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:59,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:59,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:59,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:59,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:59,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:59,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 07:25:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:59,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:59,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:59,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:59,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:59,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 07:25:59,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:59,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:59,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:25:59,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:59,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:25:59,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028811508] [2020-09-25 07:25:59,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:59,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:25:59,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996499138] [2020-09-25 07:25:59,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:25:59,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:59,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:25:59,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:25:59,228 INFO L87 Difference]: Start difference. First operand 368 states and 411 transitions. Second operand 9 states. [2020-09-25 07:25:59,939 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:01,028 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:01,315 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:26:01,688 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:26:02,028 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 07:26:02,369 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:26:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:26:02,580 INFO L93 Difference]: Finished difference Result 577 states and 678 transitions. [2020-09-25 07:26:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:26:02,581 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 07:26:02,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:26:02,583 INFO L225 Difference]: With dead ends: 577 [2020-09-25 07:26:02,583 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:26:02,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 07:26:02,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:26:02,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:26:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:26:02,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:26:02,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 07:26:02,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:26:02,587 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:26:02,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:26:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:26:02,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:26:02,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:26:02,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:26:02,775 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:02,936 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:03,102 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:03,274 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:03,405 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 07:26:03,566 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:03,724 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:03,883 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:04,041 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:04,192 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:04,317 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 07:26:04,431 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 07:26:04,749 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 07:26:05,058 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 07:26:05,372 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 07:26:05,514 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:05,668 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:05,821 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:05,974 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:06,122 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:06,276 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:06,429 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:06,581 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:06,742 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:06,894 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:07,052 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,204 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,357 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,510 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,664 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,906 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 07:26:08,060 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:08,213 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:08,361 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:08,513 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:08,847 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 07:26:09,166 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 07:26:09,483 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 07:26:09,722 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 07:26:09,825 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 07:26:09,933 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 07:26:10,089 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:10,259 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:10,412 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:10,561 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:10,714 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:10,872 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:11,025 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,179 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,334 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,481 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:11,643 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:11,796 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,952 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:12,105 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:12,258 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:12,411 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:12,563 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:12,712 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:13,030 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 07:26:13,348 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 07:26:13,665 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 07:26:13,903 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 07:26:14,056 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:14,209 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:14,358 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:14,775 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 07:26:14,958 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22