/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_spec5_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:27,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:27,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:27,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:27,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:27,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:27,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:27,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:27,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:27,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:27,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:27,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:27,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:27,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:27,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:27,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:27,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:27,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:27,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:27,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:27,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:27,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:27,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:27,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:27,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:27,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:27,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:27,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:27,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:27,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:27,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:27,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:27,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:27,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:27,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:27,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:27,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:27,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:27,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:27,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:27,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:27,821 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 11:15:27,864 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:27,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:27,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:27,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:27,867 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:27,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:27,868 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:27,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:27,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:27,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:27,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:27,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:27,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:27,870 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:27,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:27,871 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:27,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:27,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:27,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:27,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:27,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:27,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:27,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:27,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:27,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:27,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:27,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:27,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:27,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:27,873 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 11:15:28,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:28,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:28,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:28,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:28,381 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:28,382 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2020-09-21 11:15:28,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4215cd032/b5abb6cef97845db909a40d506afae12/FLAG36ac69692 [2020-09-21 11:15:29,098 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:29,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2020-09-21 11:15:29,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4215cd032/b5abb6cef97845db909a40d506afae12/FLAG36ac69692 [2020-09-21 11:15:29,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4215cd032/b5abb6cef97845db909a40d506afae12 [2020-09-21 11:15:29,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:29,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:29,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:29,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:29,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:29,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:29" (1/1) ... [2020-09-21 11:15:29,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41238cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:29, skipping insertion in model container [2020-09-21 11:15:29,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:29" (1/1) ... [2020-09-21 11:15:29,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:29,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:29,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:29,790 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:29,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:30,033 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:30,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30 WrapperNode [2020-09-21 11:15:30,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:30,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:30,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:30,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:30,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30" (1/1) ... [2020-09-21 11:15:30,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30" (1/1) ... [2020-09-21 11:15:30,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30" (1/1) ... [2020-09-21 11:15:30,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30" (1/1) ... [2020-09-21 11:15:30,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30" (1/1) ... [2020-09-21 11:15:30,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30" (1/1) ... [2020-09-21 11:15:30,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30" (1/1) ... [2020-09-21 11:15:30,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:30,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:30,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:30,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:30,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30" (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 11:15:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:30,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:15:30,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:30,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:30,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:30,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:30,288 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:30,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:30,289 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:30,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:30,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:15:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:30,293 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:15:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:15:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:15:30,295 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:30,297 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:30,297 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:30,297 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:30,297 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:15:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:15:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:15:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:15:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:15:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:31,490 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:31,491 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:31,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:31 BoogieIcfgContainer [2020-09-21 11:15:31,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:31,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:31,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:31,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:31,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:29" (1/3) ... [2020-09-21 11:15:31,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7abb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:31, skipping insertion in model container [2020-09-21 11:15:31,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:30" (2/3) ... [2020-09-21 11:15:31,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7abb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:31, skipping insertion in model container [2020-09-21 11:15:31,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:31" (3/3) ... [2020-09-21 11:15:31,513 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2020-09-21 11:15:31,525 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:31,537 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:31,561 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:31,588 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:31,588 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:31,589 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:31,589 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:31,589 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:31,589 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:31,589 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:31,589 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:31,615 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-09-21 11:15:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:31,627 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:31,628 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:31,628 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:31,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:31,635 INFO L82 PathProgramCache]: Analyzing trace with hash 176643797, now seen corresponding path program 1 times [2020-09-21 11:15:31,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:31,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781268296] [2020-09-21 11:15:31,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:32,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:15:32,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:32,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:15:32,472 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:32,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:32,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:32,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:32,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:32,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:32,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:32,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:32,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:15:32,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:32,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:32,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:15:32,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:32,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781268296] [2020-09-21 11:15:32,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:32,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:32,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908754138] [2020-09-21 11:15:32,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:32,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:32,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:32,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:32,797 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-09-21 11:15:33,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:33,883 INFO L93 Difference]: Finished difference Result 278 states and 361 transitions. [2020-09-21 11:15:33,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:33,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:33,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:33,903 INFO L225 Difference]: With dead ends: 278 [2020-09-21 11:15:33,903 INFO L226 Difference]: Without dead ends: 155 [2020-09-21 11:15:33,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:33,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-21 11:15:34,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 124. [2020-09-21 11:15:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-21 11:15:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2020-09-21 11:15:34,028 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 59 [2020-09-21 11:15:34,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:34,029 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2020-09-21 11:15:34,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2020-09-21 11:15:34,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:15:34,033 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:34,033 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:34,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:34,034 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:34,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:34,034 INFO L82 PathProgramCache]: Analyzing trace with hash -464202477, now seen corresponding path program 1 times [2020-09-21 11:15:34,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:34,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822064266] [2020-09-21 11:15:34,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:15:34,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:15:34,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:34,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:34,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:34,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,410 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:34,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:34,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:34,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:34,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:34,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:34,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:15:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:15:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:34,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:34,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822064266] [2020-09-21 11:15:34,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:34,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:34,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632642858] [2020-09-21 11:15:34,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:34,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:34,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:34,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:34,558 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 5 states. [2020-09-21 11:15:35,107 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:35,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:35,968 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2020-09-21 11:15:35,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:35,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:15:35,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:35,976 INFO L225 Difference]: With dead ends: 213 [2020-09-21 11:15:35,977 INFO L226 Difference]: Without dead ends: 145 [2020-09-21 11:15:35,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:35,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-09-21 11:15:36,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2020-09-21 11:15:36,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-21 11:15:36,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2020-09-21 11:15:36,016 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 60 [2020-09-21 11:15:36,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:36,017 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2020-09-21 11:15:36,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2020-09-21 11:15:36,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:15:36,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:36,027 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:36,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:36,027 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:36,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:36,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1980183215, now seen corresponding path program 1 times [2020-09-21 11:15:36,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:36,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487372020] [2020-09-21 11:15:36,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:36,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:15:36,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-09-21 11:15:36,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:15:36,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:36,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:15:36,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:36,806 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:36,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:36,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-21 11:15:36,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:36,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:36,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:36,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:36,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:36,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:36,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:36,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:36,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:36,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:36,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:36,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:36,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:36,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:37,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:37,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:37,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:37,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:37,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:37,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:37,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:37,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:15:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:37,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:37,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:37,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:37,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:37,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:37,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:37,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:37,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:37,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:15:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:37,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:37,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487372020] [2020-09-21 11:15:37,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:37,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:37,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769950320] [2020-09-21 11:15:37,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:37,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:37,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:37,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:37,056 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 5 states. [2020-09-21 11:15:37,447 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:38,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:38,907 INFO L93 Difference]: Finished difference Result 325 states and 401 transitions. [2020-09-21 11:15:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:38,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:15:38,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:38,915 INFO L225 Difference]: With dead ends: 325 [2020-09-21 11:15:38,915 INFO L226 Difference]: Without dead ends: 238 [2020-09-21 11:15:38,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:38,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-21 11:15:38,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 192. [2020-09-21 11:15:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-09-21 11:15:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 229 transitions. [2020-09-21 11:15:38,965 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 229 transitions. Word has length 65 [2020-09-21 11:15:38,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:38,966 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 229 transitions. [2020-09-21 11:15:38,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:38,966 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 229 transitions. [2020-09-21 11:15:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:15:38,968 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:38,969 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:38,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:15:38,969 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:38,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:38,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1204188044, now seen corresponding path program 1 times [2020-09-21 11:15:38,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:38,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [430224806] [2020-09-21 11:15:38,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:39,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:39,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:39,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:39,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:39,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:15:39,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:39,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-09-21 11:15:39,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:15:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:15:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:39,900 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:39,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:40,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 11:15:40,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:40,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:40,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:40,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:40,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:40,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:40,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:40,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:40,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:40,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:40,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:40,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:40,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:40,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:40,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:40,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:40,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:40,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:40,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:40,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:40,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:15:40,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:40,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:40,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:15:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:40,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:40,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:40,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:40,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:40,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:15:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:40,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:40,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:40,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:15:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:40,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:40,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:40,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:40,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:40,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:40,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:40,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:15:40,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:40,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:40,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:15:40,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [430224806] [2020-09-21 11:15:40,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:40,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:15:40,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398089665] [2020-09-21 11:15:40,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:15:40,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:40,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:15:40,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:15:40,205 INFO L87 Difference]: Start difference. First operand 192 states and 229 transitions. Second operand 9 states. [2020-09-21 11:15:40,752 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:41,618 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:42,514 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:42,829 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:42,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:42,979 INFO L93 Difference]: Finished difference Result 352 states and 460 transitions. [2020-09-21 11:15:42,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:15:42,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:15:42,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:42,982 INFO L225 Difference]: With dead ends: 352 [2020-09-21 11:15:42,982 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:15:42,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:15:42,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:15:42,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:15:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:15:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:15:42,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2020-09-21 11:15:42,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:42,986 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:15:42,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:15:42,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:15:42,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:15:42,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:15:42,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:15:43,185 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:43,346 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:43,518 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:43,689 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:43,850 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,011 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,313 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:15:44,478 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:44,640 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,803 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,944 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 6 [2020-09-21 11:15:45,099 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,221 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-21 11:15:45,556 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:15:45,880 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:15:46,204 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:15:46,523 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:15:46,668 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:46,821 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,972 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:47,121 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:47,276 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:47,431 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:47,606 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:47,759 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:47,912 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:48,070 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:48,223 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:48,325 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-21 11:15:48,473 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:48,626 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:48,778 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:48,933 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,087 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,240 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,392 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,540 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:49,692 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:49,861 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:50,015 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:50,163 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:50,315 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:50,468 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:50,625 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:50,774 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:51,059 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-21 11:15:51,216 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:51,369 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:51,522 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:51,637 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 6 [2020-09-21 11:15:51,795 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:51,944 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:52,096 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:52,253 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:52,403 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:52,555 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:52,718 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:52,866 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:53,020 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:53,172 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:53,350 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:53,497 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:53,650 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:53,805 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:53,958 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:54,419 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 11:15:54,646 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:54,858 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:55,101 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:55,331 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:55,563 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:55,784 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 11:15:56,069 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:56,471 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 11:15:56,676 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:56,891 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:57,289 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:57,728 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:58,115 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:58,328 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:58,544 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:58,758 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:58,990 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:59,184 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:59,399 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:59,593 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:59,988 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 11:16:00,210 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:16:00,614 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 11:16:00,619 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-09-21 11:16:00,619 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 377) no Hoare annotation was computed. [2020-09-21 11:16:00,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 342 397) no Hoare annotation was computed. [2020-09-21 11:16:00,620 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-09-21 11:16:00,620 INFO L268 CegarLoopResult]: For program point L367-2(lines 367 388) no Hoare annotation was computed. [2020-09-21 11:16:00,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 342 397) no Hoare annotation was computed. [2020-09-21 11:16:00,620 INFO L268 CegarLoopResult]: For program point L389(lines 366 390) no Hoare annotation was computed. [2020-09-21 11:16:00,621 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 342 397) no Hoare annotation was computed. [2020-09-21 11:16:00,621 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 11:16:00,621 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-09-21 11:16:00,621 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 398 457) no Hoare annotation was computed. [2020-09-21 11:16:00,621 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 398 457) no Hoare annotation was computed. [2020-09-21 11:16:00,621 INFO L268 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-09-21 11:16:00,622 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 434) no Hoare annotation was computed. [2020-09-21 11:16:00,622 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 398 457) no Hoare annotation was computed. [2020-09-21 11:16:00,622 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 11:16:00,622 INFO L268 CegarLoopResult]: For program point L424-2(lines 424 449) no Hoare annotation was computed. [2020-09-21 11:16:00,622 INFO L268 CegarLoopResult]: For program point L450(lines 423 451) no Hoare annotation was computed. [2020-09-21 11:16:00,622 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2020-09-21 11:16:00,623 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2020-09-21 11:16:00,623 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2020-09-21 11:16:00,623 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2020-09-21 11:16:00,623 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2020-09-21 11:16:00,623 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 139 146) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:16:00,623 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2020-09-21 11:16:00,623 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2020-09-21 11:16:00,624 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 147 156) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 11:16:00,624 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 147 156) no Hoare annotation was computed. [2020-09-21 11:16:00,624 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-21 11:16:00,624 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 147 156) no Hoare annotation was computed. [2020-09-21 11:16:00,624 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 157 185) the Hoare annotation is: true [2020-09-21 11:16:00,624 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:16:00,624 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 157 185) no Hoare annotation was computed. [2020-09-21 11:16:00,625 INFO L268 CegarLoopResult]: For program point L170(lines 170 176) no Hoare annotation was computed. [2020-09-21 11:16:00,625 INFO L268 CegarLoopResult]: For program point L169(lines 169 179) no Hoare annotation was computed. [2020-09-21 11:16:00,625 INFO L271 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: true [2020-09-21 11:16:00,625 INFO L268 CegarLoopResult]: For program point L167-1(line 167) no Hoare annotation was computed. [2020-09-21 11:16:00,625 INFO L268 CegarLoopResult]: For program point L165(lines 165 182) no Hoare annotation was computed. [2020-09-21 11:16:00,625 INFO L268 CegarLoopResult]: For program point L165-1(lines 157 185) no Hoare annotation was computed. [2020-09-21 11:16:00,626 INFO L271 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: true [2020-09-21 11:16:00,626 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-09-21 11:16:00,626 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,626 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2020-09-21 11:16:00,626 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,626 INFO L264 CegarLoopResult]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,627 INFO L268 CegarLoopResult]: For program point L276(lines 276 283) no Hoare annotation was computed. [2020-09-21 11:16:00,627 INFO L268 CegarLoopResult]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2020-09-21 11:16:00,627 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-21 11:16:00,627 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,627 INFO L264 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,628 INFO L264 CegarLoopResult]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 220 243) no Hoare annotation was computed. [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 220 243) no Hoare annotation was computed. [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 220 243) no Hoare annotation was computed. [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-21 11:16:00,628 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 876 890) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L268 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-09-21 11:16:00,629 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 876 890) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:16:00,630 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 876 890) no Hoare annotation was computed. [2020-09-21 11:16:00,630 INFO L264 CegarLoopResult]: At program point L882(line 882) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:16:00,630 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 812 820) no Hoare annotation was computed. [2020-09-21 11:16:00,630 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 812 820) the Hoare annotation is: true [2020-09-21 11:16:00,630 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 812 820) no Hoare annotation was computed. [2020-09-21 11:16:00,630 INFO L271 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: true [2020-09-21 11:16:00,630 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 870) no Hoare annotation was computed. [2020-09-21 11:16:00,630 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-09-21 11:16:00,630 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 857 875) the Hoare annotation is: true [2020-09-21 11:16:00,630 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 857 875) no Hoare annotation was computed. [2020-09-21 11:16:00,630 INFO L268 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-09-21 11:16:00,630 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 857 875) no Hoare annotation was computed. [2020-09-21 11:16:00,630 INFO L268 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2020-09-21 11:16:00,631 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 836) no Hoare annotation was computed. [2020-09-21 11:16:00,631 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-09-21 11:16:00,631 INFO L268 CegarLoopResult]: For program point L851-1(line 851) no Hoare annotation was computed. [2020-09-21 11:16:00,631 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 821 856) no Hoare annotation was computed. [2020-09-21 11:16:00,631 INFO L268 CegarLoopResult]: For program point L840(lines 840 848) no Hoare annotation was computed. [2020-09-21 11:16:00,631 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 821 856) no Hoare annotation was computed. [2020-09-21 11:16:00,631 INFO L268 CegarLoopResult]: For program point L840-2(lines 840 848) no Hoare annotation was computed. [2020-09-21 11:16:00,631 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 821 856) no Hoare annotation was computed. [2020-09-21 11:16:00,631 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2020-09-21 11:16:00,632 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2020-09-21 11:16:00,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 296 341) no Hoare annotation was computed. [2020-09-21 11:16:00,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 296 341) no Hoare annotation was computed. [2020-09-21 11:16:00,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 296 341) no Hoare annotation was computed. [2020-09-21 11:16:00,632 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 609 654) no Hoare annotation was computed. [2020-09-21 11:16:00,632 INFO L268 CegarLoopResult]: For program point L629(lines 629 636) no Hoare annotation was computed. [2020-09-21 11:16:00,632 INFO L268 CegarLoopResult]: For program point L623(lines 623 643) no Hoare annotation was computed. [2020-09-21 11:16:00,632 INFO L268 CegarLoopResult]: For program point L623-1(lines 623 643) no Hoare annotation was computed. [2020-09-21 11:16:00,633 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 609 654) no Hoare annotation was computed. [2020-09-21 11:16:00,633 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 609 654) no Hoare annotation was computed. [2020-09-21 11:16:00,633 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,633 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 252 262) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,633 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 252 262) no Hoare annotation was computed. [2020-09-21 11:16:00,633 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 252 262) no Hoare annotation was computed. [2020-09-21 11:16:00,633 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 801 811) no Hoare annotation was computed. [2020-09-21 11:16:00,634 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 801 811) no Hoare annotation was computed. [2020-09-21 11:16:00,634 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 801 811) no Hoare annotation was computed. [2020-09-21 11:16:00,634 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-09-21 11:16:00,634 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-09-21 11:16:00,634 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 793 800) the Hoare annotation is: true [2020-09-21 11:16:00,634 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 793 800) no Hoare annotation was computed. [2020-09-21 11:16:00,634 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 793 800) no Hoare annotation was computed. [2020-09-21 11:16:00,635 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,635 INFO L268 CegarLoopResult]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2020-09-21 11:16:00,635 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 742 766) no Hoare annotation was computed. [2020-09-21 11:16:00,635 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:16:00,635 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 742 766) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,635 INFO L264 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:16:00,635 INFO L268 CegarLoopResult]: For program point L750(lines 750 758) no Hoare annotation was computed. [2020-09-21 11:16:00,636 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:16:00,636 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-09-21 11:16:00,636 INFO L268 CegarLoopResult]: For program point L746(lines 746 763) no Hoare annotation was computed. [2020-09-21 11:16:00,636 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2020-09-21 11:16:00,636 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2020-09-21 11:16:00,636 INFO L264 CegarLoopResult]: At program point L960(lines 909 961) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,636 INFO L264 CegarLoopResult]: At program point testENTRY(lines 900 967) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,637 INFO L268 CegarLoopResult]: For program point testFINAL(lines 900 967) no Hoare annotation was computed. [2020-09-21 11:16:00,637 INFO L264 CegarLoopResult]: At program point L950(line 950) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:16:00,637 INFO L268 CegarLoopResult]: For program point L948(lines 948 954) no Hoare annotation was computed. [2020-09-21 11:16:00,637 INFO L264 CegarLoopResult]: At program point L948-1(lines 940 955) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:16:00,637 INFO L268 CegarLoopResult]: For program point L911(lines 910 959) no Hoare annotation was computed. [2020-09-21 11:16:00,637 INFO L264 CegarLoopResult]: At program point L942(line 942) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:16:00,637 INFO L268 CegarLoopResult]: For program point L940(lines 940 955) no Hoare annotation was computed. [2020-09-21 11:16:00,638 INFO L264 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:16:00,638 INFO L268 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2020-09-21 11:16:00,638 INFO L268 CegarLoopResult]: For program point L930-1(lines 930 936) no Hoare annotation was computed. [2020-09-21 11:16:00,638 INFO L264 CegarLoopResult]: At program point L957(lines 910 959) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:16:00,638 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:16:00,638 INFO L268 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-09-21 11:16:00,638 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 926) no Hoare annotation was computed. [2020-09-21 11:16:00,639 INFO L268 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-09-21 11:16:00,639 INFO L268 CegarLoopResult]: For program point testEXIT(lines 900 967) no Hoare annotation was computed. [2020-09-21 11:16:00,639 INFO L268 CegarLoopResult]: For program point L577(lines 577 597) no Hoare annotation was computed. [2020-09-21 11:16:00,639 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 597) no Hoare annotation was computed. [2020-09-21 11:16:00,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 563 608) no Hoare annotation was computed. [2020-09-21 11:16:00,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 563 608) no Hoare annotation was computed. [2020-09-21 11:16:00,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 563 608) no Hoare annotation was computed. [2020-09-21 11:16:00,639 INFO L268 CegarLoopResult]: For program point L583(lines 583 590) no Hoare annotation was computed. [2020-09-21 11:16:00,640 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 767 774) no Hoare annotation was computed. [2020-09-21 11:16:00,640 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 767 774) no Hoare annotation was computed. [2020-09-21 11:16:00,640 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 767 774) no Hoare annotation was computed. [2020-09-21 11:16:00,640 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:16:00,640 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-09-21 11:16:00,640 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:16:00,640 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:16:00,640 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-09-21 11:16:00,641 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:16:00,641 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:16:00,641 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-09-21 11:16:00,641 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 460 562) no Hoare annotation was computed. [2020-09-21 11:16:00,641 INFO L268 CegarLoopResult]: For program point L510(lines 509 529) no Hoare annotation was computed. [2020-09-21 11:16:00,641 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:16:00,641 INFO L268 CegarLoopResult]: For program point L541-1(line 541) no Hoare annotation was computed. [2020-09-21 11:16:00,641 INFO L268 CegarLoopResult]: For program point L506(lines 506 547) no Hoare annotation was computed. [2020-09-21 11:16:00,642 INFO L268 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-09-21 11:16:00,642 INFO L268 CegarLoopResult]: For program point L525-1(line 525) no Hoare annotation was computed. [2020-09-21 11:16:00,642 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 460 562) no Hoare annotation was computed. [2020-09-21 11:16:00,642 INFO L268 CegarLoopResult]: For program point L484(lines 484 488) no Hoare annotation was computed. [2020-09-21 11:16:00,642 INFO L268 CegarLoopResult]: For program point L548(lines 548 559) no Hoare annotation was computed. [2020-09-21 11:16:00,642 INFO L268 CegarLoopResult]: For program point L511(lines 511 515) no Hoare annotation was computed. [2020-09-21 11:16:00,642 INFO L268 CegarLoopResult]: For program point L509-2(lines 509 529) no Hoare annotation was computed. [2020-09-21 11:16:00,643 INFO L268 CegarLoopResult]: For program point L530(lines 508 531) no Hoare annotation was computed. [2020-09-21 11:16:00,643 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 460 562) no Hoare annotation was computed. [2020-09-21 11:16:00,643 INFO L268 CegarLoopResult]: For program point L489(lines 489 505) no Hoare annotation was computed. [2020-09-21 11:16:00,643 INFO L268 CegarLoopResult]: For program point L549(lines 549 556) no Hoare annotation was computed. [2020-09-21 11:16:00,643 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 657 666) no Hoare annotation was computed. [2020-09-21 11:16:00,643 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 657 666) no Hoare annotation was computed. [2020-09-21 11:16:00,643 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 657 666) no Hoare annotation was computed. [2020-09-21 11:16:00,643 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:16:00,644 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~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~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 11:16:00,644 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:16:00,644 INFO L268 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-09-21 11:16:00,644 INFO L268 CegarLoopResult]: For program point L781(line 781) no Hoare annotation was computed. [2020-09-21 11:16:00,644 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-09-21 11:16:00,645 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 776 792) no Hoare annotation was computed. [2020-09-21 11:16:00,645 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 776 792) no Hoare annotation was computed. [2020-09-21 11:16:00,645 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-09-21 11:16:00,645 INFO L268 CegarLoopResult]: For program point L787-1(lines 776 792) no Hoare annotation was computed. [2020-09-21 11:16:00,645 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-09-21 11:16:00,645 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-09-21 11:16:00,645 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-09-21 11:16:00,645 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-09-21 11:16:00,646 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:16:00,646 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-09-21 11:16:00,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:16:00,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:16:00,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:16:00,646 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:16:00,646 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:16:00,646 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:16:00,647 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:16:00,647 INFO L264 CegarLoopResult]: At program point L721(lines 721 727) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:16:00,647 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 707 733) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:16:00,647 INFO L264 CegarLoopResult]: At program point L716(line 716) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:16:00,647 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 707 733) no Hoare annotation was computed. [2020-09-21 11:16:00,647 INFO L268 CegarLoopResult]: For program point L714(lines 710 732) no Hoare annotation was computed. [2020-09-21 11:16:00,647 INFO L268 CegarLoopResult]: For program point L712(lines 710 732) no Hoare annotation was computed. [2020-09-21 11:16:00,648 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 707 733) no Hoare annotation was computed. [2020-09-21 11:16:00,648 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2020-09-21 11:16:00,648 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2020-09-21 11:16:00,648 INFO L271 CegarLoopResult]: At program point L214(lines 189 218) the Hoare annotation is: true [2020-09-21 11:16:00,648 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-09-21 11:16:00,648 INFO L268 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-09-21 11:16:00,648 INFO L271 CegarLoopResult]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2020-09-21 11:16:00,649 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-09-21 11:16:00,649 INFO L271 CegarLoopResult]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2020-09-21 11:16:00,649 INFO L271 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: true [2020-09-21 11:16:00,649 INFO L268 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-09-21 11:16:00,649 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-09-21 11:16:00,649 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-09-21 11:16:00,649 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-09-21 11:16:00,649 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 244 250) no Hoare annotation was computed. [2020-09-21 11:16:00,650 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 244 250) the Hoare annotation is: true [2020-09-21 11:16:00,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:16:00,650 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:16:00,650 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:16:00,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:16:00,650 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 891 898) no Hoare annotation was computed. [2020-09-21 11:16:00,650 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 891 898) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:16:00,650 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 891 898) no Hoare annotation was computed. [2020-09-21 11:16:00,651 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-09-21 11:16:00,651 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-09-21 11:16:00,651 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:16:00,651 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 691 698) no Hoare annotation was computed. [2020-09-21 11:16:00,651 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2020-09-21 11:16:00,651 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 691 698) the Hoare annotation is: true [2020-09-21 11:16:00,651 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 691 698) no Hoare annotation was computed. [2020-09-21 11:16:00,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:16:00 BoogieIcfgContainer [2020-09-21 11:16:00,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:16:00,674 INFO L168 Benchmark]: Toolchain (without parser) took 31346.83 ms. Allocated memory was 143.1 MB in the beginning and 532.2 MB in the end (delta: 389.0 MB). Free memory was 105.2 MB in the beginning and 452.7 MB in the end (delta: -347.5 MB). Peak memory consumption was 402.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:16:00,675 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:16:00,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.78 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 104.6 MB in the beginning and 175.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:16:00,677 INFO L168 Benchmark]: Boogie Preprocessor took 152.79 ms. Allocated memory is still 205.5 MB. Free memory was 175.5 MB in the beginning and 171.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:16:00,678 INFO L168 Benchmark]: RCFGBuilder took 1314.54 ms. Allocated memory was 205.5 MB in the beginning and 231.7 MB in the end (delta: 26.2 MB). Free memory was 171.0 MB in the beginning and 187.1 MB in the end (delta: -16.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:16:00,678 INFO L168 Benchmark]: TraceAbstraction took 29168.04 ms. Allocated memory was 231.7 MB in the beginning and 532.2 MB in the end (delta: 300.4 MB). Free memory was 185.8 MB in the beginning and 452.7 MB in the end (delta: -267.0 MB). Peak memory consumption was 394.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:16:00,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.78 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 104.6 MB in the beginning and 175.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.79 ms. Allocated memory is still 205.5 MB. Free memory was 175.5 MB in the beginning and 171.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1314.54 ms. Allocated memory was 205.5 MB in the beginning and 231.7 MB in the end (delta: 26.2 MB). Free memory was 171.0 MB in the beginning and 187.1 MB in the end (delta: -16.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29168.04 ms. Allocated memory was 231.7 MB in the beginning and 532.2 MB in the end (delta: 300.4 MB). Free memory was 185.8 MB in the beginning and 452.7 MB in the end (delta: -267.0 MB). Peak memory consumption was 394.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 442 SDtfs, 507 SDslu, 284 SDs, 0 SdLazy, 1018 SolverSat, 346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 107 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 316 NumberOfFragments, 664 HoareAnnotationTreeSize, 272 FomulaSimplifications, 22371 FormulaSimplificationTreeSizeReduction, 10.9s HoareSimplificationTime, 57 FomulaSimplificationsInter, 7824 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 72966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...