/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:07:01,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:07:01,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:07:01,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:07:01,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:07:01,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:07:01,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:07:01,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:07:01,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:07:01,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:07:01,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:07:01,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:07:01,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:07:01,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:07:01,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:07:01,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:07:01,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:07:01,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:07:01,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:07:01,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:07:01,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:07:01,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:07:01,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:07:01,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:07:01,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:07:01,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:07:01,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:07:01,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:07:01,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:07:01,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:07:01,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:07:01,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:07:01,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:07:01,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:07:01,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:07:01,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:07:01,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:07:01,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:07:01,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:07:01,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:07:01,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:07:01,482 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 [2020-09-21 11:07:01,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:07:01,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:07:01,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:07:01,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:07:01,540 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:07:01,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:07:01,541 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:07:01,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:07:01,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:07:01,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:07:01,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:07:01,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:07:01,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:07:01,544 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:07:01,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:07:01,544 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:07:01,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:07:01,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:07:01,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:07:01,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:07:01,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:07:01,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:07:01,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:07:01,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:07:01,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:07:01,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:07:01,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:07:01,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:07:01,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:07:01,547 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:07:01,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:07:02,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:07:02,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:07:02,020 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:07:02,021 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:07:02,022 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-09-21 11:07:02,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/882046492/8e0b640575124541a78e9ad2a77cccc8/FLAG5c402c10f [2020-09-21 11:07:02,700 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:07:02,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-09-21 11:07:02,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/882046492/8e0b640575124541a78e9ad2a77cccc8/FLAG5c402c10f [2020-09-21 11:07:02,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/882046492/8e0b640575124541a78e9ad2a77cccc8 [2020-09-21 11:07:02,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:07:02,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:07:02,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:07:02,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:07:03,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:07:03,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:07:02" (1/1) ... [2020-09-21 11:07:03,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03, skipping insertion in model container [2020-09-21 11:07:03,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:07:02" (1/1) ... [2020-09-21 11:07:03,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:07:03,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:07:03,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:07:03,547 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:07:03,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:07:03,766 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:07:03,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03 WrapperNode [2020-09-21 11:07:03,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:07:03,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:07:03,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:07:03,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:07:03,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03" (1/1) ... [2020-09-21 11:07:03,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03" (1/1) ... [2020-09-21 11:07:03,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03" (1/1) ... [2020-09-21 11:07:03,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03" (1/1) ... [2020-09-21 11:07:03,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03" (1/1) ... [2020-09-21 11:07:03,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03" (1/1) ... [2020-09-21 11:07:03,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03" (1/1) ... [2020-09-21 11:07:03,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:07:03,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:07:03,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:07:03,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:07:03,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03" (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 [2020-09-21 11:07:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:07:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:07:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:07:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:07:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:07:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:07:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:07:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:07:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:07:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:07:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:07:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:07:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:07:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:07:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:07:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:07:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:07:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:07:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:07:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:07:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:07:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:07:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:07:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:07:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:07:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:07:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:07:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:07:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:07:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:07:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:07:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:07:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:07:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:07:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:07:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:07:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:07:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:07:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:07:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:07:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:07:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:07:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:07:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:07:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:07:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:07:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:07:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:07:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:07:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:07:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:07:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:07:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:07:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:07:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:07:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:07:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:07:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:07:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:07:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:07:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:07:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:07:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:07:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:07:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:07:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:07:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:07:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:07:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:07:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:07:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:07:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:07:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:07:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:07:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:07:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:07:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:07:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:07:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:07:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:07:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:07:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:07:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:07:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:07:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:07:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:07:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:07:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:07:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:07:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:07:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:07:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:07:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:07:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:07:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:07:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:07:05,047 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:07:05,047 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:07:05,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:07:05 BoogieIcfgContainer [2020-09-21 11:07:05,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:07:05,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:07:05,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:07:05,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:07:05,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:07:02" (1/3) ... [2020-09-21 11:07:05,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264ccf70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:07:05, skipping insertion in model container [2020-09-21 11:07:05,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:07:03" (2/3) ... [2020-09-21 11:07:05,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264ccf70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:07:05, skipping insertion in model container [2020-09-21 11:07:05,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:07:05" (3/3) ... [2020-09-21 11:07:05,069 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2020-09-21 11:07:05,081 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:07:05,092 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:07:05,116 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:07:05,156 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:07:05,156 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:07:05,156 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:07:05,156 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:07:05,156 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:07:05,157 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:07:05,157 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:07:05,158 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:07:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-09-21 11:07:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:07:05,202 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:05,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:07:05,204 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:05,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:05,212 INFO L82 PathProgramCache]: Analyzing trace with hash -719135997, now seen corresponding path program 1 times [2020-09-21 11:07:05,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:05,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665147174] [2020-09-21 11:07:05,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:05,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:05,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:05,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:05,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:05,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:07:05,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:07:05,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:07:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:05,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:05,983 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:05,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:05,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:05,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:05,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:05,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:05,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:05,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:05,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:06,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:06,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:06,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:06,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:06,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:06,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:06,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:06,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:06,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:06,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:06,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:06,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:06,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:06,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:06,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:06,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:06,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:06,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:06,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:06,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:06,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:06,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:06,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:06,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:06,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:06,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:06,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:06,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:06,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:06,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:06,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:06,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:06,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:06,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:06,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:06,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:06,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:06,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:06,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:06,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:06,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:06,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:06,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:06,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:06,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:06,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:06,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:06,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:06,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:06,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:06,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:06,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:06,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:06,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:06,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:06,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:07:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:06,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:06,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:06,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:06,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:06,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:06,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:06,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:06,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:06,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:06,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:06,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:06,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:06,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:07:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:06,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:06,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:06,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:06,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:06,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:06,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:06,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:06,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:06,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665147174] [2020-09-21 11:07:06,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:06,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:07:06,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664540021] [2020-09-21 11:07:06,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:07:06,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:06,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:07:06,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:07:06,239 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-09-21 11:07:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:07,452 INFO L93 Difference]: Finished difference Result 303 states and 400 transitions. [2020-09-21 11:07:07,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:07:07,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:07:07,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:07,472 INFO L225 Difference]: With dead ends: 303 [2020-09-21 11:07:07,472 INFO L226 Difference]: Without dead ends: 170 [2020-09-21 11:07:07,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:07:07,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-09-21 11:07:07,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 134. [2020-09-21 11:07:07,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-09-21 11:07:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-09-21 11:07:07,612 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-09-21 11:07:07,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:07,614 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-09-21 11:07:07,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:07:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-09-21 11:07:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:07:07,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:07,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:07:07,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:07:07,625 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:07,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:07,627 INFO L82 PathProgramCache]: Analyzing trace with hash 892952181, now seen corresponding path program 1 times [2020-09-21 11:07:07,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:07,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2034670276] [2020-09-21 11:07:07,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:07,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:07,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:07,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:07,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:07,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:07:07,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:07:07,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:07:07,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:07:07,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:08,032 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:08,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:08,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:08,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:08,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:08,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:08,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:08,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:08,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:08,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:08,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:08,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:08,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:08,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:08,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:08,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:08,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:08,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:08,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:08,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:08,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:08,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:08,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:08,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:08,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:08,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:08,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:08,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:08,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:08,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:08,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:08,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:08,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:08,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:08,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:08,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:08,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:08,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:08,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:08,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:08,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:08,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:08,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:08,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:08,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:08,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:08,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:08,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:08,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:08,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:08,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:08,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:08,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:08,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:08,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:08,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:08,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:08,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:08,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:08,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:07:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:08,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:08,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:08,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:08,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:08,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:08,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:08,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:08,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:08,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:08,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:08,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:08,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:08,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:07:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:08,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:08,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:08,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:08,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:08,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:08,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:08,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:08,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2034670276] [2020-09-21 11:07:08,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:08,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:07:08,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084177787] [2020-09-21 11:07:08,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:07:08,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:08,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:07:08,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:07:08,129 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-09-21 11:07:08,648 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:09,675 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2020-09-21 11:07:09,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:07:09,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:07:09,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:09,680 INFO L225 Difference]: With dead ends: 238 [2020-09-21 11:07:09,680 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 11:07:09,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:07:09,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 11:07:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 125. [2020-09-21 11:07:09,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-21 11:07:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-09-21 11:07:09,721 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-09-21 11:07:09,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:09,721 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-09-21 11:07:09,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:07:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-09-21 11:07:09,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:07:09,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:09,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:07:09,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:07:09,724 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:09,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:09,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1536291852, now seen corresponding path program 1 times [2020-09-21 11:07:09,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:09,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265154612] [2020-09-21 11:07:09,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:10,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:07:10,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:10,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:10,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:10,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:07:10,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:10,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-09-21 11:07:10,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:07:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:07:10,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:10,418 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:10,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:10,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:10,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:10,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:10,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:10,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:10,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:07:10,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:10,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:10,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:10,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:10,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:10,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:10,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:10,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:10,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:10,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:10,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:10,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:10,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:10,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:10,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:10,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:10,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:10,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:10,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:10,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:10,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:10,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:10,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:10,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:10,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:10,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:10,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:10,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:10,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:10,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:10,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:10,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:10,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:10,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:10,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:10,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:10,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:10,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:07:10,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:10,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:10,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:10,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:10,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:10,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:10,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:10,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:10,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:10,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:10,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:10,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:07:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:10,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:10,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:10,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:10,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:10,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:10,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:10,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:10,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:07:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:10,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:10,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:10,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:10,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:10,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:10,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:10,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:10,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:10,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:10,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265154612] [2020-09-21 11:07:10,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:10,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:07:10,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651125648] [2020-09-21 11:07:10,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:07:10,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:10,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:07:10,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:07:10,668 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 5 states. [2020-09-21 11:07:11,020 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:12,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:12,870 INFO L93 Difference]: Finished difference Result 365 states and 463 transitions. [2020-09-21 11:07:12,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:07:12,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 11:07:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:12,876 INFO L225 Difference]: With dead ends: 365 [2020-09-21 11:07:12,876 INFO L226 Difference]: Without dead ends: 268 [2020-09-21 11:07:12,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:07:12,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-09-21 11:07:12,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 212. [2020-09-21 11:07:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-21 11:07:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 257 transitions. [2020-09-21 11:07:12,942 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 257 transitions. Word has length 57 [2020-09-21 11:07:12,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:12,943 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 257 transitions. [2020-09-21 11:07:12,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:07:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 257 transitions. [2020-09-21 11:07:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:07:12,946 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:12,946 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:07:12,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:07:12,946 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:12,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:12,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1973415317, now seen corresponding path program 1 times [2020-09-21 11:07:12,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:12,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [172066930] [2020-09-21 11:07:12,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:13,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:13,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:13,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:13,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:13,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:07:13,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:13,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-09-21 11:07:13,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:07:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:07:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:13,899 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:13,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:13,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:13,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:13,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:13,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:13,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:13,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:13,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:07:13,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:13,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:14,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:14,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:14,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:14,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:14,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:14,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:14,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:14,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:07:14,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:14,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:14,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:14,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:14,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:14,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:14,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:14,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:14,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:14,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:14,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:14,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:14,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:14,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:14,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:14,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:14,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:14,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:14,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:14,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:14,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:14,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:14,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:14,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:14,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:14,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:14,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:07:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:14,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:14,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:14,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:14,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:14,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:14,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:14,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:14,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:14,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:14,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:14,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:14,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:14,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:14,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:14,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:14,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:14,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:14,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:07:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:14,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:14,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:14,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:14,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:14,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:07:14,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:14,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:07:14,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:14,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:14,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:14,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:07:14,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:14,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:07:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:14,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:14,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:14,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:14,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:14,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:14,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:14,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:07:14,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:07:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:14,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:14,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:14,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:07:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:14,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:14,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:14,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:14,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:14,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:14,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:14,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:07:14,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:14,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:07:14,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:14,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:07:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:14,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [172066930] [2020-09-21 11:07:14,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:14,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:07:14,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573537750] [2020-09-21 11:07:14,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:07:14,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:14,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:07:14,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:07:14,225 INFO L87 Difference]: Start difference. First operand 212 states and 257 transitions. Second operand 9 states. [2020-09-21 11:07:14,614 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:15,833 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:16,269 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:16,629 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:16,978 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:18,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:18,567 INFO L93 Difference]: Finished difference Result 686 states and 920 transitions. [2020-09-21 11:07:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:07:18,567 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 11:07:18,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:18,573 INFO L225 Difference]: With dead ends: 686 [2020-09-21 11:07:18,574 INFO L226 Difference]: Without dead ends: 502 [2020-09-21 11:07:18,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:07:18,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-09-21 11:07:18,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 379. [2020-09-21 11:07:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-09-21 11:07:18,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 464 transitions. [2020-09-21 11:07:18,679 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 464 transitions. Word has length 62 [2020-09-21 11:07:18,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:18,680 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 464 transitions. [2020-09-21 11:07:18,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:07:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 464 transitions. [2020-09-21 11:07:18,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-21 11:07:18,683 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:07:18,683 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:07:18,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:07:18,683 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:07:18,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:07:18,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1216851897, now seen corresponding path program 1 times [2020-09-21 11:07:18,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:07:18,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180725443] [2020-09-21 11:07:18,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:07:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 11:07:19,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-09-21 11:07:19,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:07:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:07:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-21 11:07:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,554 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:07:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:19,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:07:19,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:07:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:19,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:19,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:19,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:07:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:19,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:07:19,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:19,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:19,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:07:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:19,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:19,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:19,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:07:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:07:19,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:19,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:19,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:07:19,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:07:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:19,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:07:19,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:19,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:07:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:19,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:19,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:19,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:19,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:07:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:07:19,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:19,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:07:19,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:07:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:19,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:07:19,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:07:19,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:19,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:07:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:07:19,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:07:19,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:07:19,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:07:19,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:07:19,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:07:19,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:07:19,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:07:19,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:07:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:07:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:07:19,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:07:19,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:07:19,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:07:19,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180725443] [2020-09-21 11:07:19,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:07:19,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:07:19,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148901578] [2020-09-21 11:07:19,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:07:19,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:07:19,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:07:19,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:07:19,905 INFO L87 Difference]: Start difference. First operand 379 states and 464 transitions. Second operand 10 states. [2020-09-21 11:07:20,503 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:21,637 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:21,946 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:22,287 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:22,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:22,922 INFO L93 Difference]: Finished difference Result 707 states and 954 transitions. [2020-09-21 11:07:22,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:07:22,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-09-21 11:07:22,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:22,923 INFO L225 Difference]: With dead ends: 707 [2020-09-21 11:07:22,923 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:07:22,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-09-21 11:07:22,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:07:22,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:07:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:07:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:07:22,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-09-21 11:07:22,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:22,927 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:07:22,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:07:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:07:22,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:07:22,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:07:22,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:07:23,115 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:23,279 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:23,455 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:23,631 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:23,950 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-21 11:07:24,299 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:07:24,600 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-21 11:07:24,866 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-21 11:07:25,126 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-21 11:07:25,443 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:07:25,739 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-21 11:07:26,044 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:07:26,340 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:07:26,641 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:07:26,930 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 11:07:27,226 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 11:07:27,527 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:07:27,838 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 11:07:28,122 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 11:07:28,416 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 11:07:28,574 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:28,768 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:28,918 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:29,073 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:29,232 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:29,393 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:29,552 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:29,706 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:29,864 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:30,017 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:30,221 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 6 [2020-09-21 11:07:30,578 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 6 [2020-09-21 11:07:30,901 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:07:31,226 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:31,553 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:07:31,881 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:32,214 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:32,540 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:32,859 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:07:33,185 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:33,510 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:33,667 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:33,810 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:33,963 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:34,122 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:34,275 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:34,424 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:34,572 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:34,729 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:34,882 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:35,040 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:35,197 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:35,354 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:35,508 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:35,661 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:35,819 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:35,972 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:36,124 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:36,281 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:36,438 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:36,595 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:36,743 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:36,900 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:37,054 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:37,225 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:37,379 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:37,527 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:37,680 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:37,838 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:37,996 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:38,153 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:38,311 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:38,468 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:38,646 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:38,937 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 6 [2020-09-21 11:07:39,090 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:39,248 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:39,401 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:39,548 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:39,706 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:39,864 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:40,016 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:40,173 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:40,331 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:40,484 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:40,663 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:40,816 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:40,973 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:41,125 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:41,278 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:41,426 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:41,699 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 190 [2020-09-21 11:07:41,989 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:42,263 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 190 [2020-09-21 11:07:42,622 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 189 [2020-09-21 11:07:42,982 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 189 [2020-09-21 11:07:43,272 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:43,546 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 190 [2020-09-21 11:07:43,838 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:44,128 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:44,424 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:44,706 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 11:07:44,985 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 11:07:45,276 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:45,557 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 11:07:45,835 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 11:07:46,127 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:46,287 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:46,450 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:46,755 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 6 [2020-09-21 11:07:46,916 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:47,063 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 6 [2020-09-21 11:07:47,222 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:47,375 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:47,527 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:47,686 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:47,833 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:48,022 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 6 [2020-09-21 11:07:48,179 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:48,334 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:48,487 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:48,648 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:48,805 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:48,993 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:49,150 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:49,325 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:49,478 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:49,626 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:49,783 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:49,937 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:50,090 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:50,248 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:50,400 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:50,552 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:50,700 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:50,857 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:51,010 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:51,167 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:51,319 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:51,476 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:51,634 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:51,790 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:51,943 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:52,095 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:52,255 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:52,403 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:52,847 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-09-21 11:07:53,267 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-09-21 11:07:53,504 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:53,742 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-09-21 11:07:54,157 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-09-21 11:07:54,632 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 11:07:54,862 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:55,126 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:55,582 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-09-21 11:07:55,744 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:07:56,064 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-09-21 11:07:56,519 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-09-21 11:07:56,949 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-09-21 11:07:57,365 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-09-21 11:07:57,793 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-09-21 11:07:58,023 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:58,260 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:58,503 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:58,730 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 11:07:59,136 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-09-21 11:07:59,388 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:59,608 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-09-21 11:07:59,871 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:08:00,102 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:08:00,518 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-09-21 11:08:00,942 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 11 [2020-09-21 11:08:01,347 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-09-21 11:08:01,352 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-09-21 11:08:01,353 INFO L268 CegarLoopResult]: For program point L408-1(lines 408 412) no Hoare annotation was computed. [2020-09-21 11:08:01,353 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-09-21 11:08:01,353 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 377 432) no Hoare annotation was computed. [2020-09-21 11:08:01,353 INFO L268 CegarLoopResult]: For program point L402-2(lines 402 423) no Hoare annotation was computed. [2020-09-21 11:08:01,353 INFO L268 CegarLoopResult]: For program point L424(lines 401 425) no Hoare annotation was computed. [2020-09-21 11:08:01,354 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 377 432) no Hoare annotation was computed. [2020-09-21 11:08:01,354 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 377 432) no Hoare annotation was computed. [2020-09-21 11:08:01,354 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:08:01,354 INFO L268 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-09-21 11:08:01,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 433 492) no Hoare annotation was computed. [2020-09-21 11:08:01,355 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-09-21 11:08:01,355 INFO L268 CegarLoopResult]: For program point L465-1(lines 465 469) no Hoare annotation was computed. [2020-09-21 11:08:01,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 433 492) no Hoare annotation was computed. [2020-09-21 11:08:01,355 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:08:01,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 433 492) no Hoare annotation was computed. [2020-09-21 11:08:01,355 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 484) no Hoare annotation was computed. [2020-09-21 11:08:01,356 INFO L268 CegarLoopResult]: For program point L485(lines 458 486) no Hoare annotation was computed. [2020-09-21 11:08:01,356 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 712 718) the Hoare annotation is: true [2020-09-21 11:08:01,356 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 712 718) no Hoare annotation was computed. [2020-09-21 11:08:01,356 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 719 727) no Hoare annotation was computed. [2020-09-21 11:08:01,356 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 719 727) the Hoare annotation is: true [2020-09-21 11:08:01,356 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 719 727) no Hoare annotation was computed. [2020-09-21 11:08:01,357 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 803 825) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,357 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 803 825) no Hoare annotation was computed. [2020-09-21 11:08:01,357 INFO L264 CegarLoopResult]: At program point L815(line 815) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,357 INFO L264 CegarLoopResult]: At program point L815-1(line 815) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,357 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-09-21 11:08:01,358 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 803 825) no Hoare annotation was computed. [2020-09-21 11:08:01,358 INFO L268 CegarLoopResult]: For program point L813-1(lines 813 820) no Hoare annotation was computed. [2020-09-21 11:08:01,358 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-09-21 11:08:01,358 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,358 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,358 INFO L264 CegarLoopResult]: At program point L809-1(line 809) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,359 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-09-21 11:08:01,359 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-09-21 11:08:01,359 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 760 783) no Hoare annotation was computed. [2020-09-21 11:08:01,359 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-09-21 11:08:01,359 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-09-21 11:08:01,359 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-09-21 11:08:01,359 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 760 783) no Hoare annotation was computed. [2020-09-21 11:08:01,360 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 760 783) no Hoare annotation was computed. [2020-09-21 11:08:01,360 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-09-21 11:08:01,360 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-09-21 11:08:01,360 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-09-21 11:08:01,360 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-09-21 11:08:01,360 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-09-21 11:08:01,360 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-09-21 11:08:01,360 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-09-21 11:08:01,361 INFO L268 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-09-21 11:08:01,361 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-09-21 11:08:01,361 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 229 243) no Hoare annotation was computed. [2020-09-21 11:08:01,361 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:08:01,361 INFO L268 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2020-09-21 11:08:01,361 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 229 243) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:08:01,361 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 229 243) no Hoare annotation was computed. [2020-09-21 11:08:01,361 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 165 173) no Hoare annotation was computed. [2020-09-21 11:08:01,362 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 165 173) the Hoare annotation is: true [2020-09-21 11:08:01,362 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 165 173) no Hoare annotation was computed. [2020-09-21 11:08:01,362 INFO L268 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-09-21 11:08:01,362 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 210 228) the Hoare annotation is: true [2020-09-21 11:08:01,362 INFO L271 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: true [2020-09-21 11:08:01,362 INFO L268 CegarLoopResult]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2020-09-21 11:08:01,362 INFO L268 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-09-21 11:08:01,362 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 210 228) no Hoare annotation was computed. [2020-09-21 11:08:01,363 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 210 228) no Hoare annotation was computed. [2020-09-21 11:08:01,363 INFO L268 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-09-21 11:08:01,363 INFO L268 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-09-21 11:08:01,363 INFO L268 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2020-09-21 11:08:01,363 INFO L268 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2020-09-21 11:08:01,363 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 174 209) no Hoare annotation was computed. [2020-09-21 11:08:01,363 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-21 11:08:01,363 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-09-21 11:08:01,363 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 174 209) no Hoare annotation was computed. [2020-09-21 11:08:01,364 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 174 209) no Hoare annotation was computed. [2020-09-21 11:08:01,364 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 705 711) no Hoare annotation was computed. [2020-09-21 11:08:01,364 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 705 711) the Hoare annotation is: true [2020-09-21 11:08:01,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 331 376) no Hoare annotation was computed. [2020-09-21 11:08:01,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 331 376) no Hoare annotation was computed. [2020-09-21 11:08:01,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 331 376) no Hoare annotation was computed. [2020-09-21 11:08:01,364 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 644 689) no Hoare annotation was computed. [2020-09-21 11:08:01,364 INFO L268 CegarLoopResult]: For program point L664(lines 664 671) no Hoare annotation was computed. [2020-09-21 11:08:01,364 INFO L268 CegarLoopResult]: For program point L658(lines 658 678) no Hoare annotation was computed. [2020-09-21 11:08:01,365 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 678) no Hoare annotation was computed. [2020-09-21 11:08:01,365 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 644 689) no Hoare annotation was computed. [2020-09-21 11:08:01,365 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 644 689) no Hoare annotation was computed. [2020-09-21 11:08:01,365 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 792 802) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,365 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,365 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 792 802) no Hoare annotation was computed. [2020-09-21 11:08:01,365 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 792 802) no Hoare annotation was computed. [2020-09-21 11:08:01,366 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 154 164) the Hoare annotation is: true [2020-09-21 11:08:01,366 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-09-21 11:08:01,366 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-09-21 11:08:01,366 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 154 164) no Hoare annotation was computed. [2020-09-21 11:08:01,366 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 154 164) no Hoare annotation was computed. [2020-09-21 11:08:01,366 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 146 153) the Hoare annotation is: true [2020-09-21 11:08:01,366 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 146 153) no Hoare annotation was computed. [2020-09-21 11:08:01,366 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 146 153) no Hoare annotation was computed. [2020-09-21 11:08:01,367 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:08:01,367 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:08:01,367 INFO L268 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-09-21 11:08:01,367 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:08:01,367 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2020-09-21 11:08:01,367 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-09-21 11:08:01,367 INFO L268 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-09-21 11:08:01,367 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:08:01,368 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:08:01,368 INFO L268 CegarLoopResult]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2020-09-21 11:08:01,368 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2020-09-21 11:08:01,368 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2020-09-21 11:08:01,368 INFO L264 CegarLoopResult]: At program point testENTRY(lines 256 323) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,368 INFO L264 CegarLoopResult]: At program point L316(lines 265 317) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:08:01,368 INFO L268 CegarLoopResult]: For program point testFINAL(lines 256 323) no Hoare annotation was computed. [2020-09-21 11:08:01,369 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:08:01,369 INFO L268 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-09-21 11:08:01,369 INFO L264 CegarLoopResult]: At program point L304-1(lines 296 311) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:08:01,369 INFO L268 CegarLoopResult]: For program point L267(lines 266 315) no Hoare annotation was computed. [2020-09-21 11:08:01,369 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:08:01,369 INFO L268 CegarLoopResult]: For program point L296(lines 296 311) no Hoare annotation was computed. [2020-09-21 11:08:01,369 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:08:01,370 INFO L268 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2020-09-21 11:08:01,370 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2020-09-21 11:08:01,370 INFO L264 CegarLoopResult]: At program point L313(lines 266 315) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:08:01,370 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:08:01,370 INFO L268 CegarLoopResult]: For program point L276(lines 276 282) no Hoare annotation was computed. [2020-09-21 11:08:01,370 INFO L268 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-09-21 11:08:01,370 INFO L268 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-09-21 11:08:01,370 INFO L268 CegarLoopResult]: For program point testEXIT(lines 256 323) no Hoare annotation was computed. [2020-09-21 11:08:01,370 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 598 643) no Hoare annotation was computed. [2020-09-21 11:08:01,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 598 643) no Hoare annotation was computed. [2020-09-21 11:08:01,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 598 643) no Hoare annotation was computed. [2020-09-21 11:08:01,371 INFO L268 CegarLoopResult]: For program point L618(lines 618 625) no Hoare annotation was computed. [2020-09-21 11:08:01,371 INFO L268 CegarLoopResult]: For program point L612(lines 612 632) no Hoare annotation was computed. [2020-09-21 11:08:01,371 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 632) no Hoare annotation was computed. [2020-09-21 11:08:01,371 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 956 964) no Hoare annotation was computed. [2020-09-21 11:08:01,371 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 956 964) the Hoare annotation is: true [2020-09-21 11:08:01,371 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 956 964) no Hoare annotation was computed. [2020-09-21 11:08:01,372 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:08:01,372 INFO L268 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2020-09-21 11:08:01,372 INFO L268 CegarLoopResult]: For program point L849(lines 849 859) no Hoare annotation was computed. [2020-09-21 11:08:01,372 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 837 865) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:08:01,372 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-09-21 11:08:01,372 INFO L268 CegarLoopResult]: For program point L847-1(line 847) no Hoare annotation was computed. [2020-09-21 11:08:01,372 INFO L268 CegarLoopResult]: For program point L845(lines 845 862) no Hoare annotation was computed. [2020-09-21 11:08:01,372 INFO L268 CegarLoopResult]: For program point L845-1(lines 837 865) no Hoare annotation was computed. [2020-09-21 11:08:01,373 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:08:01,373 INFO L268 CegarLoopResult]: For program point L843-1(line 843) no Hoare annotation was computed. [2020-09-21 11:08:01,373 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 837 865) no Hoare annotation was computed. [2020-09-21 11:08:01,373 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 924 946) no Hoare annotation was computed. [2020-09-21 11:08:01,373 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 924 946) no Hoare annotation was computed. [2020-09-21 11:08:01,373 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 924 946) no Hoare annotation was computed. [2020-09-21 11:08:01,373 INFO L268 CegarLoopResult]: For program point L932(lines 932 940) no Hoare annotation was computed. [2020-09-21 11:08:01,373 INFO L268 CegarLoopResult]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2020-09-21 11:08:01,374 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 829 836) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:08:01,374 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 829 836) no Hoare annotation was computed. [2020-09-21 11:08:01,374 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 829 836) no Hoare annotation was computed. [2020-09-21 11:08:01,374 INFO L268 CegarLoopResult]: For program point L545(lines 544 564) no Hoare annotation was computed. [2020-09-21 11:08:01,374 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-09-21 11:08:01,374 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-09-21 11:08:01,374 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 495 597) no Hoare annotation was computed. [2020-09-21 11:08:01,374 INFO L268 CegarLoopResult]: For program point L541(lines 541 582) no Hoare annotation was computed. [2020-09-21 11:08:01,374 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 11:08:01,375 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-09-21 11:08:01,375 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-09-21 11:08:01,375 INFO L268 CegarLoopResult]: For program point L583(lines 583 594) no Hoare annotation was computed. [2020-09-21 11:08:01,375 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 495 597) no Hoare annotation was computed. [2020-09-21 11:08:01,375 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-09-21 11:08:01,375 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 564) no Hoare annotation was computed. [2020-09-21 11:08:01,375 INFO L268 CegarLoopResult]: For program point L565(lines 543 566) no Hoare annotation was computed. [2020-09-21 11:08:01,375 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 495 597) no Hoare annotation was computed. [2020-09-21 11:08:01,375 INFO L268 CegarLoopResult]: For program point L524(lines 524 540) no Hoare annotation was computed. [2020-09-21 11:08:01,376 INFO L268 CegarLoopResult]: For program point L584(lines 584 591) no Hoare annotation was computed. [2020-09-21 11:08:01,376 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 695 704) no Hoare annotation was computed. [2020-09-21 11:08:01,376 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 695 704) no Hoare annotation was computed. [2020-09-21 11:08:01,376 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 695 704) no Hoare annotation was computed. [2020-09-21 11:08:01,376 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:08:01,376 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:08:01,377 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:08:01,377 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 138 145) no Hoare annotation was computed. [2020-09-21 11:08:01,377 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 138 145) no Hoare annotation was computed. [2020-09-21 11:08:01,377 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 138 145) no Hoare annotation was computed. [2020-09-21 11:08:01,377 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 947 955) no Hoare annotation was computed. [2020-09-21 11:08:01,377 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 947 955) no Hoare annotation was computed. [2020-09-21 11:08:01,377 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 947 955) no Hoare annotation was computed. [2020-09-21 11:08:01,377 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 903 914) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:08:01,378 INFO L268 CegarLoopResult]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2020-09-21 11:08:01,378 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 903 914) no Hoare annotation was computed. [2020-09-21 11:08:01,378 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:08:01,378 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:08:01,378 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:08:01,378 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 915 923) the Hoare annotation is: true [2020-09-21 11:08:01,378 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 915 923) no Hoare annotation was computed. [2020-09-21 11:08:01,378 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 915 923) no Hoare annotation was computed. [2020-09-21 11:08:01,379 INFO L264 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:08:01,379 INFO L268 CegarLoopResult]: For program point L59(lines 58 77) no Hoare annotation was computed. [2020-09-21 11:08:01,379 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:08:01,379 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2020-09-21 11:08:01,379 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2020-09-21 11:08:01,379 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:08:01,379 INFO L264 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:08:01,379 INFO L271 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: true [2020-09-21 11:08:01,380 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 730 759) no Hoare annotation was computed. [2020-09-21 11:08:01,380 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-09-21 11:08:01,380 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 730 759) the Hoare annotation is: true [2020-09-21 11:08:01,380 INFO L271 CegarLoopResult]: At program point L755(lines 730 759) the Hoare annotation is: true [2020-09-21 11:08:01,380 INFO L268 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-09-21 11:08:01,380 INFO L268 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-09-21 11:08:01,380 INFO L271 CegarLoopResult]: At program point L744-1(lines 744 748) the Hoare annotation is: true [2020-09-21 11:08:01,380 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-09-21 11:08:01,381 INFO L271 CegarLoopResult]: At program point L740-2(lines 740 754) the Hoare annotation is: true [2020-09-21 11:08:01,381 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 879 890) the Hoare annotation is: true [2020-09-21 11:08:01,381 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 879 890) no Hoare annotation was computed. [2020-09-21 11:08:01,381 INFO L268 CegarLoopResult]: For program point L883-1(lines 879 890) no Hoare annotation was computed. [2020-09-21 11:08:01,381 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 784 790) no Hoare annotation was computed. [2020-09-21 11:08:01,381 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 784 790) the Hoare annotation is: true [2020-09-21 11:08:01,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:08:01,381 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:08:01,382 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:08:01,382 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:08:01,382 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 244 251) no Hoare annotation was computed. [2020-09-21 11:08:01,382 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 244 251) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:08:01,382 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 244 251) no Hoare annotation was computed. [2020-09-21 11:08:01,382 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 891 902) no Hoare annotation was computed. [2020-09-21 11:08:01,382 INFO L268 CegarLoopResult]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2020-09-21 11:08:01,383 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 891 902) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:08:01,383 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 867 874) no Hoare annotation was computed. [2020-09-21 11:08:01,383 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2020-09-21 11:08:01,383 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 867 874) the Hoare annotation is: true [2020-09-21 11:08:01,383 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 867 874) no Hoare annotation was computed. [2020-09-21 11:08:01,383 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:08:01,383 INFO L268 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-09-21 11:08:01,383 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2020-09-21 11:08:01,384 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:08:01,384 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-09-21 11:08:01,384 INFO L268 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-09-21 11:08:01,384 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 87 111) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:08:01,384 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:08:01,384 INFO L268 CegarLoopResult]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2020-09-21 11:08:01,384 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:08:01,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:08:01 BoogieIcfgContainer [2020-09-21 11:08:01,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:08:01,406 INFO L168 Benchmark]: Toolchain (without parser) took 58413.52 ms. Allocated memory was 140.5 MB in the beginning and 632.8 MB in the end (delta: 492.3 MB). Free memory was 102.5 MB in the beginning and 92.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 511.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:01,406 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:08:01,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.18 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 173.8 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:01,407 INFO L168 Benchmark]: Boogie Preprocessor took 124.65 ms. Allocated memory is still 204.5 MB. Free memory was 173.8 MB in the beginning and 169.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:01,407 INFO L168 Benchmark]: RCFGBuilder took 1160.96 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 169.7 MB in the beginning and 197.3 MB in the end (delta: -27.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:01,408 INFO L168 Benchmark]: TraceAbstraction took 56344.76 ms. Allocated memory was 236.5 MB in the beginning and 632.8 MB in the end (delta: 396.4 MB). Free memory was 197.3 MB in the beginning and 92.7 MB in the end (delta: 104.6 MB). Peak memory consumption was 510.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:08:01,411 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.18 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 173.8 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.65 ms. Allocated memory is still 204.5 MB. Free memory was 173.8 MB in the beginning and 169.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1160.96 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 169.7 MB in the beginning and 197.3 MB in the end (delta: -27.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56344.76 ms. Allocated memory was 236.5 MB in the beginning and 632.8 MB in the end (delta: 396.4 MB). Free memory was 197.3 MB in the beginning and 92.7 MB in the end (delta: 104.6 MB). Peak memory consumption was 510.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 38.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 563 SDtfs, 889 SDslu, 487 SDs, 0 SdLazy, 2175 SolverSat, 691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 250 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 602 PreInvPairs, 703 NumberOfFragments, 805 HoareAnnotationTreeSize, 602 FomulaSimplifications, 278714 FormulaSimplificationTreeSizeReduction, 29.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 15154 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 82867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...