/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_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:44,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:44,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:44,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:44,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:44,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:44,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:44,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:44,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:44,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:44,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:44,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:44,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:44,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:44,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:44,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:44,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:44,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:44,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:44,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:44,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:44,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:44,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:44,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:44,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:44,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:44,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:44,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:44,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:44,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:44,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:44,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:44,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:44,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:44,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:44,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:44,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:44,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:44,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:44,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:44,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:44,517 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 11:03:44,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:44,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:44,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:44,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:44,566 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:44,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:44,567 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:44,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:44,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:44,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:44,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:44,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:44,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:44,570 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:44,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:44,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:44,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:44,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:44,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:44,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:44,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:44,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:44,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:44,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:44,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:44,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:44,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:44,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:44,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:44,573 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 11:03:45,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:45,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:45,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:45,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:45,051 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:45,053 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-21 11:03:45,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58bca926e/043b2fd18ad146fd8cd848e780507e62/FLAGd5a34605a [2020-09-21 11:03:45,760 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:45,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-21 11:03:45,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58bca926e/043b2fd18ad146fd8cd848e780507e62/FLAGd5a34605a [2020-09-21 11:03:46,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58bca926e/043b2fd18ad146fd8cd848e780507e62 [2020-09-21 11:03:46,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:46,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:46,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:46,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:46,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:46,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:46" (1/1) ... [2020-09-21 11:03:46,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c71f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46, skipping insertion in model container [2020-09-21 11:03:46,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:46" (1/1) ... [2020-09-21 11:03:46,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:46,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:46,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:46,630 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:46,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:46,798 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:46,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46 WrapperNode [2020-09-21 11:03:46,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:46,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:46,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:46,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:46,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46" (1/1) ... [2020-09-21 11:03:46,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46" (1/1) ... [2020-09-21 11:03:46,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46" (1/1) ... [2020-09-21 11:03:46,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46" (1/1) ... [2020-09-21 11:03:46,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46" (1/1) ... [2020-09-21 11:03:46,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46" (1/1) ... [2020-09-21 11:03:46,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46" (1/1) ... [2020-09-21 11:03:46,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:46,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:46,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:46,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:46,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46" (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 11:03:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:03:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:03:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:03:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:03:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:03:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:03:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:03:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:03:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:03:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:03:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:03:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:03:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:48,105 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:48,105 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:48,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:48 BoogieIcfgContainer [2020-09-21 11:03:48,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:48,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:48,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:48,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:48,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:46" (1/3) ... [2020-09-21 11:03:48,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdda199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:48, skipping insertion in model container [2020-09-21 11:03:48,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:46" (2/3) ... [2020-09-21 11:03:48,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdda199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:48, skipping insertion in model container [2020-09-21 11:03:48,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:48" (3/3) ... [2020-09-21 11:03:48,121 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-09-21 11:03:48,132 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:48,143 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:48,165 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:48,197 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:48,197 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:48,197 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:48,198 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:48,198 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:48,198 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:48,198 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:48,198 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2020-09-21 11:03:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:48,237 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:48,238 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] [2020-09-21 11:03:48,239 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:48,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:48,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1314416883, now seen corresponding path program 1 times [2020-09-21 11:03:48,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:48,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091104206] [2020-09-21 11:03:48,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:48,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:48,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:48,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:48,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:48,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:48,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:03:48,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:48,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:48,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:48,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:48,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:49,117 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:49,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:49,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:49,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:49,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:49,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:49,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:49,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:49,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:49,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:49,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:49,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:49,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:49,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:49,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:49,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:49,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:49,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:49,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:49,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:49,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:49,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:49,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:49,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:49,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:49,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:49,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:49,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:49,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:49,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:49,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:49,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:49,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:49,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:49,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:49,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:49,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:49,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:49,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:49,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:49,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:49,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:49,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:49,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:49,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:49,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:49,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:49,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:49,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:49,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:49,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:49,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:49,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:49,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:49,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:49,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:49,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:49,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:49,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:49,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:49,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:49,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:49,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:49,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:49,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:49,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:49,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:49,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:49,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:49,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:49,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:49,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:49,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:49,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:49,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:49,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:49,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:49,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:49,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:49,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:49,335 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 11:03:49,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091104206] [2020-09-21 11:03:49,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:49,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:49,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654366998] [2020-09-21 11:03:49,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:49,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:49,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:49,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:49,370 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 3 states. [2020-09-21 11:03:50,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:50,620 INFO L93 Difference]: Finished difference Result 302 states and 399 transitions. [2020-09-21 11:03:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:50,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:50,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:50,646 INFO L225 Difference]: With dead ends: 302 [2020-09-21 11:03:50,648 INFO L226 Difference]: Without dead ends: 164 [2020-09-21 11:03:50,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:50,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-21 11:03:50,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 129. [2020-09-21 11:03:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-09-21 11:03:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2020-09-21 11:03:50,759 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2020-09-21 11:03:50,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:50,760 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2020-09-21 11:03:50,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2020-09-21 11:03:50,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:50,766 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:50,766 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] [2020-09-21 11:03:50,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:50,767 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:50,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:50,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1074186407, now seen corresponding path program 1 times [2020-09-21 11:03:50,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:50,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408723725] [2020-09-21 11:03:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:50,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:50,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:50,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:50,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:50,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:50,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:50,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:03:50,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:50,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,175 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:51,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:51,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:51,307 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 11:03:51,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408723725] [2020-09-21 11:03:51,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:51,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:51,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123517372] [2020-09-21 11:03:51,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:51,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:51,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:51,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:51,311 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 4 states. [2020-09-21 11:03:51,712 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:52,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:52,713 INFO L93 Difference]: Finished difference Result 225 states and 278 transitions. [2020-09-21 11:03:52,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:52,714 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:52,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:52,718 INFO L225 Difference]: With dead ends: 225 [2020-09-21 11:03:52,718 INFO L226 Difference]: Without dead ends: 148 [2020-09-21 11:03:52,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-09-21 11:03:52,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2020-09-21 11:03:52,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-09-21 11:03:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-09-21 11:03:52,790 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2020-09-21 11:03:52,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:52,790 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-09-21 11:03:52,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:52,791 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-09-21 11:03:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:03:52,793 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:52,793 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 11:03:52,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:52,793 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:52,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:52,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1137714934, now seen corresponding path program 1 times [2020-09-21 11:03:52,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:52,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648118316] [2020-09-21 11:03:52,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:03:53,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:03:53,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-09-21 11:03:53,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:03:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:03:53,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,521 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:53,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:53,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:03:53,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:53,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:53,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:53,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:53,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:53,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:53,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:53,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:53,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:53,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:53,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:53,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:53,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:03:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:53,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:53,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:53,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:53,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:53,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:53,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:53,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:53,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:53,674 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 11:03:53,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648118316] [2020-09-21 11:03:53,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:53,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:53,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236070071] [2020-09-21 11:03:53,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:53,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:53,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:53,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:53,677 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 4 states. [2020-09-21 11:03:54,012 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:55,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:55,736 INFO L93 Difference]: Finished difference Result 352 states and 439 transitions. [2020-09-21 11:03:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:55,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:03:55,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:55,742 INFO L225 Difference]: With dead ends: 352 [2020-09-21 11:03:55,742 INFO L226 Difference]: Without dead ends: 256 [2020-09-21 11:03:55,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:55,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-09-21 11:03:55,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 206. [2020-09-21 11:03:55,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-09-21 11:03:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 249 transitions. [2020-09-21 11:03:55,813 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 249 transitions. Word has length 52 [2020-09-21 11:03:55,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:55,814 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 249 transitions. [2020-09-21 11:03:55,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2020-09-21 11:03:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:03:55,817 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:55,817 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 11:03:55,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:55,817 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:55,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:55,818 INFO L82 PathProgramCache]: Analyzing trace with hash -430999927, now seen corresponding path program 1 times [2020-09-21 11:03:55,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:55,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086489871] [2020-09-21 11:03:55,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:03:56,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-09-21 11:03:56,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:56,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:56,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:03:56,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,612 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:56,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:56,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:03:56,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:56,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:56,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:56,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:56,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:56,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:56,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:56,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:56,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:56,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:03:56,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:03:56,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:56,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:56,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:03:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:56,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:56,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:56,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:56,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:56,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:56,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:56,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:56,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:56,829 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 11:03:56,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086489871] [2020-09-21 11:03:56,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:56,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:56,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402294972] [2020-09-21 11:03:56,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:56,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:56,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:56,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:56,832 INFO L87 Difference]: Start difference. First operand 206 states and 249 transitions. Second operand 8 states. [2020-09-21 11:03:57,230 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:58,456 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:58,882 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:59,208 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:59,562 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:00,141 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:01,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:01,240 INFO L93 Difference]: Finished difference Result 667 states and 874 transitions. [2020-09-21 11:04:01,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:04:01,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:04:01,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:01,248 INFO L225 Difference]: With dead ends: 667 [2020-09-21 11:04:01,249 INFO L226 Difference]: Without dead ends: 485 [2020-09-21 11:04:01,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:04:01,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-09-21 11:04:01,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 373. [2020-09-21 11:04:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-09-21 11:04:01,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 456 transitions. [2020-09-21 11:04:01,352 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 456 transitions. Word has length 57 [2020-09-21 11:04:01,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:01,352 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 456 transitions. [2020-09-21 11:04:01,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:04:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 456 transitions. [2020-09-21 11:04:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:04:01,355 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:01,355 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] [2020-09-21 11:04:01,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:04:01,356 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:01,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:01,356 INFO L82 PathProgramCache]: Analyzing trace with hash -83486899, now seen corresponding path program 1 times [2020-09-21 11:04:01,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:01,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407739807] [2020-09-21 11:04:01,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:01,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:01,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:01,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:01,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:01,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:04:01,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:01,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-09-21 11:04:01,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:04:01,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:01,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:04:01,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:02,173 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:02,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:02,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:04:02,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:04:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:02,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:02,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:02,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:02,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:02,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:02,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:02,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:02,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:02,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:02,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:02,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:02,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:02,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:02,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:02,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:04:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:02,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:02,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:02,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:02,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:04:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:04:02,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:02,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:02,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:04:02,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:02,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:04:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:02,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:02,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:02,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:04:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:02,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:04:02,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:04:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:02,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:02,418 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 11:04:02,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407739807] [2020-09-21 11:04:02,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:02,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:04:02,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606442337] [2020-09-21 11:04:02,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:04:02,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:02,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:04:02,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:04:02,424 INFO L87 Difference]: Start difference. First operand 373 states and 456 transitions. Second operand 9 states. [2020-09-21 11:04:02,953 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:04,127 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,445 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:04,758 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:05,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:05,219 INFO L93 Difference]: Finished difference Result 682 states and 901 transitions. [2020-09-21 11:04:05,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:04:05,220 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 11:04:05,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:05,221 INFO L225 Difference]: With dead ends: 682 [2020-09-21 11:04:05,221 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:04:05,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:04:05,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:04:05,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:04:05,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:04:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:04:05,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 11:04:05,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:05,226 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:04:05,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:04:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:04:05,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:04:05,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:04:05,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:04:05,459 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,623 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:05,784 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:05,944 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:06,117 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,296 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,575 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:04:06,753 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:06,905 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:07,065 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:07,239 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,400 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,554 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:07,712 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:07,884 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:08,037 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:08,242 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:04:08,442 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:04:08,780 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:09,107 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:09,431 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:09,748 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:10,061 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 11:04:10,380 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:04:10,694 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 11:04:10,833 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:10,982 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:11,135 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:11,288 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:11,436 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:11,588 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:11,733 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:11,882 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:12,031 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:12,185 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,343 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,496 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:12,643 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:12,792 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:12,955 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,108 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,258 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:13,410 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:13,559 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:13,702 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:13,852 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:14,004 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:14,156 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:14,309 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:14,458 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:14,627 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:14,779 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:15,053 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:04:15,220 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:15,368 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:15,514 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:15,667 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:15,821 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:15,976 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:16,128 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:16,276 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:16,425 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:16,580 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:16,986 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:17,321 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:17,665 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:17,909 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:18,245 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:18,388 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:18,765 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:19,010 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:19,345 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:19,680 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:19,864 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:04:20,051 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 11:04:20,206 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:20,368 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:20,520 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:20,668 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:20,817 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:20,970 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:21,114 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:21,285 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:21,428 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:21,578 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:21,729 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:21,883 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:22,041 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:22,187 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:22,336 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:22,485 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:22,628 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:22,782 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:22,946 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:23,094 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:23,247 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:23,394 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:23,545 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:23,694 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:23,846 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:23,994 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:24,146 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:24,294 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:24,447 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:24,600 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:24,752 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:24,895 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:25,149 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:25,488 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:25,815 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:26,057 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:04:26,385 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:26,616 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-09-21 11:04:26,870 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:27,113 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:04:27,441 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:27,774 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:27,926 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:28,073 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:28,221 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:28,377 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:28,526 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:28,756 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:29,135 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:29,357 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:29,575 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:29,992 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:30,378 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-09-21 11:04:30,629 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:31,031 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:31,235 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 11:04:31,454 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:31,829 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:04:32,037 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:32,467 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:04:32,842 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-09-21 11:04:33,106 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:33,327 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:33,547 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:33,760 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:33,984 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:34,189 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 11:04:34,579 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:34,824 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:35,224 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:35,607 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:35,825 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:36,235 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:36,240 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 11:04:36,241 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-09-21 11:04:36,241 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:04:36,241 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-09-21 11:04:36,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-09-21 11:04:36,241 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-09-21 11:04:36,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-09-21 11:04:36,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-09-21 11:04:36,242 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:04:36,242 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 11:04:36,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-09-21 11:04:36,242 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-09-21 11:04:36,242 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-09-21 11:04:36,242 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:04:36,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-09-21 11:04:36,243 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-09-21 11:04:36,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-09-21 11:04:36,243 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-09-21 11:04:36,244 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 933 939) the Hoare annotation is: true [2020-09-21 11:04:36,244 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 933 939) no Hoare annotation was computed. [2020-09-21 11:04:36,244 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 940 948) no Hoare annotation was computed. [2020-09-21 11:04:36,244 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 940 948) the Hoare annotation is: true [2020-09-21 11:04:36,244 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 940 948) no Hoare annotation was computed. [2020-09-21 11:04:36,244 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 688 710) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:36,245 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:36,245 INFO L264 CegarLoopResult]: At program point L700-1(line 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:36,245 INFO L268 CegarLoopResult]: For program point L698(lines 698 705) no Hoare annotation was computed. [2020-09-21 11:04:36,245 INFO L268 CegarLoopResult]: For program point L698-1(lines 698 705) no Hoare annotation was computed. [2020-09-21 11:04:36,245 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 688 710) no Hoare annotation was computed. [2020-09-21 11:04:36,245 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-09-21 11:04:36,246 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:36,246 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:36,246 INFO L264 CegarLoopResult]: At program point L694-1(line 694) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:36,246 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 688 710) no Hoare annotation was computed. [2020-09-21 11:04:36,246 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 644 667) no Hoare annotation was computed. [2020-09-21 11:04:36,246 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 644 667) no Hoare annotation was computed. [2020-09-21 11:04:36,246 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 644 667) no Hoare annotation was computed. [2020-09-21 11:04:36,247 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-09-21 11:04:36,247 INFO L268 CegarLoopResult]: For program point L661(line 661) no Hoare annotation was computed. [2020-09-21 11:04:36,247 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-09-21 11:04:36,247 INFO L268 CegarLoopResult]: For program point L659(line 659) no Hoare annotation was computed. [2020-09-21 11:04:36,247 INFO L268 CegarLoopResult]: For program point L658(line 658) no Hoare annotation was computed. [2020-09-21 11:04:36,247 INFO L268 CegarLoopResult]: For program point L657(line 657) no Hoare annotation was computed. [2020-09-21 11:04:36,247 INFO L268 CegarLoopResult]: For program point L656(line 656) no Hoare annotation was computed. [2020-09-21 11:04:36,247 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-09-21 11:04:36,247 INFO L268 CegarLoopResult]: For program point L654(line 654) no Hoare annotation was computed. [2020-09-21 11:04:36,248 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-09-21 11:04:36,248 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-09-21 11:04:36,248 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-09-21 11:04:36,248 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-09-21 11:04:36,248 INFO L268 CegarLoopResult]: For program point L649(line 649) no Hoare annotation was computed. [2020-09-21 11:04:36,248 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:36,248 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2020-09-21 11:04:36,248 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-09-21 11:04:36,249 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:04:36,249 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2020-09-21 11:04:36,249 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2020-09-21 11:04:36,249 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2020-09-21 11:04:36,249 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2020-09-21 11:04:36,249 INFO L268 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-09-21 11:04:36,249 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point L855(lines 855 863) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2020-09-21 11:04:36,250 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 926 932) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 926 932) the Hoare annotation is: true [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-09-21 11:04:36,251 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-09-21 11:04:36,252 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-09-21 11:04:36,252 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 675 684) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:36,252 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 675 684) no Hoare annotation was computed. [2020-09-21 11:04:36,252 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 675 684) no Hoare annotation was computed. [2020-09-21 11:04:36,252 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2020-09-21 11:04:36,252 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2020-09-21 11:04:36,252 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2020-09-21 11:04:36,252 INFO L271 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-09-21 11:04:36,252 INFO L268 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-09-21 11:04:36,252 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2020-09-21 11:04:36,252 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2020-09-21 11:04:36,252 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2020-09-21 11:04:36,252 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:36,253 INFO L268 CegarLoopResult]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2020-09-21 11:04:36,253 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 775 799) no Hoare annotation was computed. [2020-09-21 11:04:36,253 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:36,253 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 775 799) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:36,253 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:36,253 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-09-21 11:04:36,253 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:36,253 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-09-21 11:04:36,253 INFO L268 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2020-09-21 11:04:36,253 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 741 747) no Hoare annotation was computed. [2020-09-21 11:04:36,254 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 741 747) the Hoare annotation is: true [2020-09-21 11:04:36,254 INFO L264 CegarLoopResult]: At program point testENTRY(lines 543 610) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:36,254 INFO L264 CegarLoopResult]: At program point L603(lines 552 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:36,254 INFO L268 CegarLoopResult]: For program point testFINAL(lines 543 610) no Hoare annotation was computed. [2020-09-21 11:04:36,254 INFO L264 CegarLoopResult]: At program point L593(line 593) 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 11:04:36,254 INFO L268 CegarLoopResult]: For program point L591(lines 591 597) no Hoare annotation was computed. [2020-09-21 11:04:36,254 INFO L264 CegarLoopResult]: At program point L591-1(lines 583 598) 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 11:04:36,254 INFO L268 CegarLoopResult]: For program point L554(lines 553 602) no Hoare annotation was computed. [2020-09-21 11:04:36,254 INFO L264 CegarLoopResult]: At program point L585(line 585) 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 11:04:36,254 INFO L268 CegarLoopResult]: For program point L583(lines 583 598) no Hoare annotation was computed. [2020-09-21 11:04:36,254 INFO L264 CegarLoopResult]: At program point L575(line 575) 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 11:04:36,254 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L264 CegarLoopResult]: At program point L600(lines 553 602) 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 11:04:36,255 INFO L264 CegarLoopResult]: At program point L565(line 565) 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 11:04:36,255 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point testEXIT(lines 543 610) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-09-21 11:04:36,255 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 11:04:36,256 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 916 925) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 916 925) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 916 925) no Hoare annotation was computed. [2020-09-21 11:04:36,257 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 800 807) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 800 807) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 800 807) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:04:36,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:36,259 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:04:36,259 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-09-21 11:04:36,259 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-09-21 11:04:36,259 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-09-21 11:04:36,259 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-09-21 11:04:36,259 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-09-21 11:04:36,259 INFO L264 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:36,259 INFO L264 CegarLoopResult]: At program point L728(lines 728 734) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:36,259 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:36,260 INFO L268 CegarLoopResult]: For program point L721(lines 720 739) no Hoare annotation was computed. [2020-09-21 11:04:36,260 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 717 740) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:36,260 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 717 740) no Hoare annotation was computed. [2020-09-21 11:04:36,260 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 717 740) no Hoare annotation was computed. [2020-09-21 11:04:36,260 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 613 642) no Hoare annotation was computed. [2020-09-21 11:04:36,260 INFO L271 CegarLoopResult]: At program point L638(lines 613 642) the Hoare annotation is: true [2020-09-21 11:04:36,260 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 613 642) the Hoare annotation is: true [2020-09-21 11:04:36,260 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-09-21 11:04:36,260 INFO L268 CegarLoopResult]: For program point L627(lines 627 631) no Hoare annotation was computed. [2020-09-21 11:04:36,260 INFO L271 CegarLoopResult]: At program point L627-1(lines 627 631) the Hoare annotation is: true [2020-09-21 11:04:36,260 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-09-21 11:04:36,260 INFO L271 CegarLoopResult]: At program point L623-2(lines 623 637) the Hoare annotation is: true [2020-09-21 11:04:36,260 INFO L271 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: true [2020-09-21 11:04:36,261 INFO L268 CegarLoopResult]: For program point L619-1(line 619) no Hoare annotation was computed. [2020-09-21 11:04:36,261 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-09-21 11:04:36,261 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-09-21 11:04:36,261 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-09-21 11:04:36,261 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 668 674) no Hoare annotation was computed. [2020-09-21 11:04:36,261 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 668 674) the Hoare annotation is: true [2020-09-21 11:04:36,261 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:36,261 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 11:04:36,261 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:04:36,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:36,262 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 906 913) no Hoare annotation was computed. [2020-09-21 11:04:36,262 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 906 913) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:04:36,262 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 906 913) no Hoare annotation was computed. [2020-09-21 11:04:36,262 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-09-21 11:04:36,262 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-09-21 11:04:36,262 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:04:36,262 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2020-09-21 11:04:36,262 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-09-21 11:04:36,262 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2020-09-21 11:04:36,263 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2020-09-21 11:04:36,263 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-09-21 11:04:36,263 INFO L268 CegarLoopResult]: For program point L512(lines 512 525) no Hoare annotation was computed. [2020-09-21 11:04:36,263 INFO L268 CegarLoopResult]: For program point L512-1(lines 504 528) no Hoare annotation was computed. [2020-09-21 11:04:36,263 INFO L271 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: true [2020-09-21 11:04:36,263 INFO L268 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-09-21 11:04:36,263 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 504 528) the Hoare annotation is: true [2020-09-21 11:04:36,263 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 504 528) no Hoare annotation was computed. [2020-09-21 11:04:36,263 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:04:36,263 INFO L268 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-09-21 11:04:36,263 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 11:04:36,264 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:36,264 INFO L268 CegarLoopResult]: For program point L768-1(lines 749 773) no Hoare annotation was computed. [2020-09-21 11:04:36,264 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 749 773) no Hoare annotation was computed. [2020-09-21 11:04:36,264 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:36,264 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 749 773) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:36,264 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:36,264 INFO L268 CegarLoopResult]: For program point L757(lines 757 765) no Hoare annotation was computed. [2020-09-21 11:04:36,264 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:36,264 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-09-21 11:04:36,264 INFO L268 CegarLoopResult]: For program point L753(lines 753 770) no Hoare annotation was computed. [2020-09-21 11:04:36,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:04:36 BoogieIcfgContainer [2020-09-21 11:04:36,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:04:36,286 INFO L168 Benchmark]: Toolchain (without parser) took 50235.76 ms. Allocated memory was 108.0 MB in the beginning and 563.6 MB in the end (delta: 455.6 MB). Free memory was 71.3 MB in the beginning and 153.4 MB in the end (delta: -82.1 MB). Peak memory consumption was 420.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:36,286 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 108.0 MB. Free memory was 90.1 MB in the beginning and 90.0 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. [2020-09-21 11:04:36,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.19 ms. Allocated memory was 108.0 MB in the beginning and 167.2 MB in the end (delta: 59.2 MB). Free memory was 70.7 MB in the beginning and 142.7 MB in the end (delta: -72.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:36,287 INFO L168 Benchmark]: Boogie Preprocessor took 101.92 ms. Allocated memory is still 167.2 MB. Free memory was 142.7 MB in the beginning and 138.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:36,288 INFO L168 Benchmark]: RCFGBuilder took 1208.81 ms. Allocated memory was 167.2 MB in the beginning and 187.7 MB in the end (delta: 20.4 MB). Free memory was 138.6 MB in the beginning and 127.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:36,289 INFO L168 Benchmark]: TraceAbstraction took 48171.44 ms. Allocated memory was 187.7 MB in the beginning and 563.6 MB in the end (delta: 375.9 MB). Free memory was 126.4 MB in the beginning and 153.4 MB in the end (delta: -27.0 MB). Peak memory consumption was 395.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:36,292 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 108.0 MB. Free memory was 90.1 MB in the beginning and 90.0 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 745.19 ms. Allocated memory was 108.0 MB in the beginning and 167.2 MB in the end (delta: 59.2 MB). Free memory was 70.7 MB in the beginning and 142.7 MB in the end (delta: -72.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.92 ms. Allocated memory is still 167.2 MB. Free memory was 142.7 MB in the beginning and 138.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1208.81 ms. Allocated memory was 167.2 MB in the beginning and 187.7 MB in the end (delta: 20.4 MB). Free memory was 138.6 MB in the beginning and 127.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48171.44 ms. Allocated memory was 187.7 MB in the beginning and 563.6 MB in the end (delta: 375.9 MB). Free memory was 126.4 MB in the beginning and 153.4 MB in the end (delta: -27.0 MB). Peak memory consumption was 395.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 553]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 560 SDtfs, 755 SDslu, 361 SDs, 0 SdLazy, 1757 SolverSat, 502 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=373occurred 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, 225 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 569 PreInvPairs, 648 NumberOfFragments, 707 HoareAnnotationTreeSize, 569 FomulaSimplifications, 92495 FormulaSimplificationTreeSizeReduction, 23.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 14786 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73666 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...