/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:47:42,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:47:42,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:47:42,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:47:42,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:47:42,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:47:42,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:47:42,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:47:42,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:47:42,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:47:42,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:47:42,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:47:42,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:47:42,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:47:42,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:47:42,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:47:42,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:47:42,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:47:42,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:47:42,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:47:42,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:47:42,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:47:42,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:47:42,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:47:42,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:47:42,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:47:42,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:47:42,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:47:42,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:47:42,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:47:42,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:47:42,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:47:42,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:47:42,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:47:42,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:47:42,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:47:42,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:47:42,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:47:42,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:47:42,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:47:42,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:47:42,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:47:42,348 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:47:42,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:47:42,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:47:42,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:47:42,350 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:47:42,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:47:42,351 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:47:42,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:47:42,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:47:42,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:47:42,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:47:42,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:47:42,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:47:42,352 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:47:42,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:47:42,353 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:47:42,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:47:42,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:47:42,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:47:42,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:47:42,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:47:42,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:47:42,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:47:42,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:47:42,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:47:42,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:47:42,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:47:42,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:47:42,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:47:42,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:47:42,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:47:42,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:47:42,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:47:42,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:47:42,816 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:47:42,817 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2020-09-25 08:47:42,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d369eba54/e8bb3595cf9f459b8c27706ab99d9139/FLAG7ff423c0c [2020-09-25 08:47:43,535 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:47:43,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2020-09-25 08:47:43,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d369eba54/e8bb3595cf9f459b8c27706ab99d9139/FLAG7ff423c0c [2020-09-25 08:47:43,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d369eba54/e8bb3595cf9f459b8c27706ab99d9139 [2020-09-25 08:47:43,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:47:43,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:47:43,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:47:43,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:47:43,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:47:43,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:47:43" (1/1) ... [2020-09-25 08:47:43,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43, skipping insertion in model container [2020-09-25 08:47:43,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:47:43" (1/1) ... [2020-09-25 08:47:43,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:47:43,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:47:44,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:47:44,349 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:47:44,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:47:44,557 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:47:44,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44 WrapperNode [2020-09-25 08:47:44,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:47:44,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:47:44,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:47:44,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:47:44,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44" (1/1) ... [2020-09-25 08:47:44,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44" (1/1) ... [2020-09-25 08:47:44,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44" (1/1) ... [2020-09-25 08:47:44,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44" (1/1) ... [2020-09-25 08:47:44,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44" (1/1) ... [2020-09-25 08:47:44,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44" (1/1) ... [2020-09-25 08:47:44,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44" (1/1) ... [2020-09-25 08:47:44,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:47:44,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:47:44,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:47:44,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:47:44,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:47:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:47:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:47:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:47:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:47:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:47:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:47:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:47:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:47:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:47:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:47:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:47:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:47:44,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:47:44,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:47:44,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:47:44,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:47:44,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:47:44,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:47:44,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:47:44,767 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:47:44,767 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:47:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:47:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:47:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:47:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:47:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:47:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:47:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:47:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:47:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:47:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:47:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:47:44,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:47:44,771 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:47:44,771 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:47:44,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:47:44,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:47:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:47:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:47:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:47:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 08:47:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:47:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:47:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:47:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:47:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:47:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:47:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:47:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:47:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:47:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:47:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:47:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:47:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:47:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:47:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:47:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:47:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:47:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:47:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:47:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:47:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:47:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:47:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:47:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:47:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:47:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:47:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:47:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:47:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:47:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:47:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:47:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:47:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:47:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:47:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:47:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:47:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:47:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:47:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:47:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:47:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:47:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:47:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:47:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:47:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 08:47:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:47:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:47:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:47:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:47:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:47:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:47:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:47:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:47:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:47:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:47:46,020 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:47:46,021 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:47:46,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:47:46 BoogieIcfgContainer [2020-09-25 08:47:46,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:47:46,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:47:46,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:47:46,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:47:46,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:47:43" (1/3) ... [2020-09-25 08:47:46,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37974822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:47:46, skipping insertion in model container [2020-09-25 08:47:46,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:44" (2/3) ... [2020-09-25 08:47:46,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37974822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:47:46, skipping insertion in model container [2020-09-25 08:47:46,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:47:46" (3/3) ... [2020-09-25 08:47:46,039 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product20.cil.c [2020-09-25 08:47:46,051 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:47:46,062 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:47:46,086 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:47:46,117 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:47:46,118 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:47:46,118 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:47:46,118 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:47:46,118 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:47:46,118 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:47:46,118 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:47:46,118 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:47:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-09-25 08:47:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:47:46,168 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:47:46,169 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:47:46,170 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:47:46,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:47:46,179 INFO L82 PathProgramCache]: Analyzing trace with hash -502904586, now seen corresponding path program 1 times [2020-09-25 08:47:46,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:47:46,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215524791] [2020-09-25 08:47:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:47:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:46,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:46,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:48,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:48,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 08:47:51,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:47:51,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 08:47:51,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 08:47:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 08:47:52,026 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:47:52,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:47:52,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-25 08:47:52,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:47:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:52,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:52,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:52,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:47:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:52,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:52,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:47:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:52,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:47:52,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:47:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:52,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:52,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:47:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:47:52,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:52,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:52,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:47:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:47:52,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:47:52,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:47:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:52,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:52,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:47:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:52,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:52,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:47:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:52,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:52,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:52,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:52,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:52,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:52,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:52,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:52,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:52,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:52,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:52,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:47:52,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215524791] [2020-09-25 08:47:52,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:47:52,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:47:52,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238856809] [2020-09-25 08:47:52,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:47:52,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:47:52,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:47:52,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:47:52,446 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 4 states. [2020-09-25 08:47:53,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:47:53,945 INFO L93 Difference]: Finished difference Result 456 states and 539 transitions. [2020-09-25 08:47:53,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:47:53,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 08:47:53,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:47:53,968 INFO L225 Difference]: With dead ends: 456 [2020-09-25 08:47:53,969 INFO L226 Difference]: Without dead ends: 294 [2020-09-25 08:47:53,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:47:53,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-09-25 08:47:54,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 247. [2020-09-25 08:47:54,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-09-25 08:47:54,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 268 transitions. [2020-09-25 08:47:54,095 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 268 transitions. Word has length 160 [2020-09-25 08:47:54,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:47:54,097 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 268 transitions. [2020-09-25 08:47:54,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:47:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 268 transitions. [2020-09-25 08:47:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:47:54,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:47:54,109 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:47:54,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:47:54,110 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:47:54,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:47:54,111 INFO L82 PathProgramCache]: Analyzing trace with hash -445941209, now seen corresponding path program 1 times [2020-09-25 08:47:54,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:47:54,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995084493] [2020-09-25 08:47:54,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:47:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:54,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:54,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:55,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:56,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:57,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 08:47:59,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:47:59,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 08:47:59,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 08:47:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:47:59,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,504 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:47:59,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:47:59,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 08:47:59,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:47:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:59,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:47:59,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:47:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:59,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:47:59,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:47:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:59,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:47:59,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:59,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:47:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:59,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:59,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:59,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:47:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:47:59,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:59,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:47:59,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:47:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:47:59,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:59,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:47:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:59,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:59,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:47:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:59,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:59,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:47:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:59,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:59,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:59,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:59,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:59,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:59,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:59,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:59,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:47:59,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995084493] [2020-09-25 08:47:59,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:47:59,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:47:59,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674755311] [2020-09-25 08:47:59,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:47:59,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:47:59,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:47:59,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:47:59,749 INFO L87 Difference]: Start difference. First operand 247 states and 268 transitions. Second operand 5 states. [2020-09-25 08:48:00,451 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:01,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:01,348 INFO L93 Difference]: Finished difference Result 375 states and 423 transitions. [2020-09-25 08:48:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:48:01,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 08:48:01,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:01,356 INFO L225 Difference]: With dead ends: 375 [2020-09-25 08:48:01,356 INFO L226 Difference]: Without dead ends: 283 [2020-09-25 08:48:01,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:48:01,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-09-25 08:48:01,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 237. [2020-09-25 08:48:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-09-25 08:48:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 255 transitions. [2020-09-25 08:48:01,436 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 255 transitions. Word has length 161 [2020-09-25 08:48:01,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:01,436 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 255 transitions. [2020-09-25 08:48:01,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:48:01,437 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 255 transitions. [2020-09-25 08:48:01,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 08:48:01,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:01,439 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:48:01,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:48:01,440 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:01,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:01,440 INFO L82 PathProgramCache]: Analyzing trace with hash -292418968, now seen corresponding path program 1 times [2020-09-25 08:48:01,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:01,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502516509] [2020-09-25 08:48:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:01,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:01,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:01,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:03,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 08:48:06,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:48:06,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5073 [2020-09-25 08:48:06,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 08:48:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 08:48:06,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:06,870 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:06,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:06,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 08:48:06,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:06,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:07,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:07,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:07,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:07,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:07,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:07,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:07,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:07,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:07,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:07,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:07,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:07,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:07,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:07,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:07,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:07,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:07,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:07,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:48:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:07,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:07,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:48:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:07,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:48:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:07,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:48:07,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:48:07,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:07,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:07,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:07,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:07,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:07,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 08:48:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:07,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:07,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:07,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:07,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 08:48:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:07,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:07,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:07,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:07,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:07,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:07,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:07,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:48:07,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502516509] [2020-09-25 08:48:07,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:07,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:48:07,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398089665] [2020-09-25 08:48:07,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:48:07,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:07,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:48:07,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:48:07,131 INFO L87 Difference]: Start difference. First operand 237 states and 255 transitions. Second operand 6 states. [2020-09-25 08:48:07,695 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:09,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:09,486 INFO L93 Difference]: Finished difference Result 555 states and 645 transitions. [2020-09-25 08:48:09,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:48:09,486 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 08:48:09,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:09,496 INFO L225 Difference]: With dead ends: 555 [2020-09-25 08:48:09,496 INFO L226 Difference]: Without dead ends: 433 [2020-09-25 08:48:09,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:48:09,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-09-25 08:48:09,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 349. [2020-09-25 08:48:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-09-25 08:48:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 386 transitions. [2020-09-25 08:48:09,565 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 386 transitions. Word has length 174 [2020-09-25 08:48:09,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:09,566 INFO L479 AbstractCegarLoop]: Abstraction has 349 states and 386 transitions. [2020-09-25 08:48:09,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:48:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 386 transitions. [2020-09-25 08:48:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 08:48:09,568 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:09,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:48:09,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:48:09,569 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:09,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:09,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1020289759, now seen corresponding path program 1 times [2020-09-25 08:48:09,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:09,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118405487] [2020-09-25 08:48:09,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:09,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:09,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:10,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:12,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:14,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:14,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 08:48:14,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:48:14,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 08:48:14,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:14,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:48:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 08:48:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 08:48:14,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:15,029 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:15,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:15,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 08:48:15,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:15,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:15,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:15,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:15,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:15,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:15,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:15,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:15,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:15,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:15,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:15,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:15,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:15,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:15,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:15,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 08:48:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:48:15,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:48:15,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:48:15,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:15,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:48:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:15,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:48:15,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:48:15,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:15,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:15,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:15,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:15,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:15,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:15,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 08:48:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:15,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:15,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:48:15,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 08:48:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:15,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:15,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:15,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:15,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:48:15,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:15,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:48:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:48:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:15,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 08:48:15,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118405487] [2020-09-25 08:48:15,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:15,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:48:15,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230854620] [2020-09-25 08:48:15,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:48:15,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:15,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:48:15,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:48:15,404 INFO L87 Difference]: Start difference. First operand 349 states and 386 transitions. Second operand 10 states. [2020-09-25 08:48:15,957 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:16,904 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:17,486 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 08:48:18,442 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:48:18,775 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 08:48:19,074 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:48:19,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:19,141 INFO L93 Difference]: Finished difference Result 580 states and 688 transitions. [2020-09-25 08:48:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:48:19,142 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 08:48:19,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:19,143 INFO L225 Difference]: With dead ends: 580 [2020-09-25 08:48:19,143 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:48:19,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 08:48:19,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:48:19,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:48:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:48:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:48:19,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-09-25 08:48:19,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:19,148 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:48:19,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:48:19,148 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:48:19,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:48:19,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:48:19,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:48:19,342 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:19,509 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:19,701 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:20,007 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 08:48:20,180 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:20,339 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:20,503 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:20,680 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:20,837 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:21,014 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:21,349 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:48:21,674 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:48:21,991 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:48:22,309 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 08:48:22,454 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:22,612 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:22,769 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:22,923 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:23,078 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:23,233 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:23,387 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:23,541 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:23,695 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:23,848 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:23,997 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:24,150 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:24,307 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:24,457 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:24,613 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:24,769 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:24,922 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:25,075 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:25,228 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:25,381 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:25,529 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:25,682 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:25,792 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 08:48:25,942 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:26,096 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:26,251 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:26,405 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:26,570 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:26,720 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:26,882 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:27,029 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:27,133 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 08:48:27,300 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:27,453 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:27,605 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:27,713 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 08:48:27,869 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:28,024 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:28,172 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:28,276 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 08:48:28,432 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:28,580 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:28,734 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:28,889 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:29,147 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 08:48:29,307 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:29,464 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:29,618 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:29,772 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:29,920 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:30,079 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:30,485 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 08:48:30,714 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:48:30,931 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 08:48:31,160 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 08:48:31,361 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:48:31,576 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-25 08:48:31,843 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:32,031 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:48:32,183 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 08:48:32,597 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 14 [2020-09-25 08:48:32,838 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1