/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_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:10:52,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:10:52,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:10:52,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:10:52,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:10:52,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:10:52,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:10:52,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:10:52,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:10:52,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:10:52,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:10:52,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:10:52,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:10:52,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:10:52,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:10:52,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:10:52,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:10:52,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:10:52,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:10:52,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:10:52,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:10:52,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:10:52,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:10:52,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:10:52,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:10:52,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:10:52,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:10:52,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:10:52,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:10:52,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:10:52,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:10:52,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:10:52,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:10:52,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:10:52,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:10:52,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:10:52,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:10:52,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:10:52,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:10:52,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:10:52,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:10:52,377 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 11:10:52,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:10:52,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:10:52,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:10:52,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:10:52,425 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:10:52,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:10:52,426 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:10:52,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:10:52,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:10:52,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:10:52,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:10:52,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:10:52,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:10:52,429 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:10:52,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:10:52,429 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:10:52,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:10:52,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:10:52,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:10:52,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:10:52,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:10:52,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:10:52,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:10:52,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:10:52,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:10:52,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:10:52,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:10:52,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:10:52,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:10:52,432 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 11:10:52,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:10:52,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:10:52,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:10:52,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:10:52,918 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:10:52,920 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-09-21 11:10:52,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36f93f6a6/d9dbae4613b44a36b73438e429a16a3c/FLAGc048031c0 [2020-09-21 11:10:53,600 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:10:53,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-09-21 11:10:53,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36f93f6a6/d9dbae4613b44a36b73438e429a16a3c/FLAGc048031c0 [2020-09-21 11:10:53,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36f93f6a6/d9dbae4613b44a36b73438e429a16a3c [2020-09-21 11:10:53,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:10:53,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:10:53,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:53,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:10:53,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:10:53,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:53" (1/1) ... [2020-09-21 11:10:53,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:53, skipping insertion in model container [2020-09-21 11:10:53,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:53" (1/1) ... [2020-09-21 11:10:53,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:10:53,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:10:54,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:54,371 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:10:54,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:54,640 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:10:54,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54 WrapperNode [2020-09-21 11:10:54,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:54,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:10:54,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:10:54,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:10:54,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (1/1) ... [2020-09-21 11:10:54,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:10:54,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:10:54,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:10:54,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:10:54,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (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 11:10:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:10:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:10:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:10:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:10:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:10:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:10:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:10:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:10:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:10:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:10:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:10:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:10:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:10:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:10:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:10:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:10:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:10:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:10:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:10:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:10:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:10:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:10:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:10:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:10:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:10:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:10:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:10:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:10:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:10:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:10:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:10:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:10:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:10:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:10:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:10:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:10:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:10:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:10:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:10:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:10:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:10:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:10:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:10:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:10:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:10:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:10:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:10:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:10:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:10:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:10:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:10:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:10:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:10:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:10:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:10:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:10:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:10:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:10:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:10:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:10:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:10:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:10:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:10:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:10:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:10:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:10:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:10:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:10:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:10:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:10:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:10:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:10:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:10:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:10:55,900 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:10:55,900 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:10:55,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:55 BoogieIcfgContainer [2020-09-21 11:10:55,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:10:55,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:10:55,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:10:55,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:10:55,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:10:53" (1/3) ... [2020-09-21 11:10:55,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0a3668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:55, skipping insertion in model container [2020-09-21 11:10:55,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:54" (2/3) ... [2020-09-21 11:10:55,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0a3668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:55, skipping insertion in model container [2020-09-21 11:10:55,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:55" (3/3) ... [2020-09-21 11:10:55,923 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2020-09-21 11:10:55,936 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:10:55,948 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:10:55,972 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:10:56,010 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:10:56,010 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:10:56,010 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:10:56,010 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:10:56,010 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:10:56,011 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:10:56,011 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:10:56,011 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:10:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-09-21 11:10:56,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:10:56,049 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:56,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:56,050 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:56,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:56,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1757322053, now seen corresponding path program 1 times [2020-09-21 11:10:56,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:56,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523222968] [2020-09-21 11:10:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:10:56,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:10:56,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:10:56,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:56,833 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:56,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:56,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:56,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:56,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:56,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:56,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:56,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:56,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:56,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:56,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:56,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:56,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:56,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:56,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:56,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:56,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:10:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:56,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:56,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:56,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:56,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:10:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:56,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:56,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:56,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:56,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:56,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:56,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:56,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:56,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:56,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:56,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523222968] [2020-09-21 11:10:56,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:56,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:10:56,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385252480] [2020-09-21 11:10:57,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:10:57,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:57,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:10:57,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:10:57,022 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-09-21 11:10:57,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:57,879 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-09-21 11:10:57,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:10:57,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:10:57,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:57,898 INFO L225 Difference]: With dead ends: 199 [2020-09-21 11:10:57,898 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 11:10:57,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:10:57,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 11:10:57,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-09-21 11:10:57,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 11:10:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-09-21 11:10:57,987 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-09-21 11:10:57,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:57,988 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-09-21 11:10:57,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:10:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-09-21 11:10:57,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:10:57,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:57,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:57,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:10:57,992 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:57,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:57,993 INFO L82 PathProgramCache]: Analyzing trace with hash -745095734, now seen corresponding path program 1 times [2020-09-21 11:10:57,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:57,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7533735] [2020-09-21 11:10:57,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:58,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:58,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:58,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:58,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:58,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:10:58,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:58,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:10:58,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:10:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:10:58,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:58,344 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:58,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:58,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:58,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:58,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:58,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:58,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:58,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:58,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:58,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:58,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:58,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:58,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:58,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:58,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:58,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:58,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:58,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:58,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:58,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:58,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:58,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:58,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:58,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:10:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:58,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:58,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:58,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:58,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:58,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:58,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:58,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:58,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:58,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:58,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:58,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:58,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:58,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:10:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:58,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:58,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:58,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:58,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:58,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:58,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:58,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:58,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:58,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:10:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:58,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:58,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:58,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:58,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:58,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:58,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:58,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:58,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:58,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:58,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:10:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:58,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:58,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:58,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:58,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:58,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:58,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:58,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:58,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:58,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:58,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:10:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:58,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:58,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:58,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:58,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:58,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:58,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:58,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:58,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:58,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:58,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:58,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:58,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:10:58,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7533735] [2020-09-21 11:10:58,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:58,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:10:58,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186538755] [2020-09-21 11:10:58,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:10:58,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:58,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:10:58,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:10:58,436 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-09-21 11:10:58,902 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:10:59,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:59,379 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2020-09-21 11:10:59,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:10:59,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:10:59,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:59,382 INFO L225 Difference]: With dead ends: 132 [2020-09-21 11:10:59,383 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:10:59,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:10:59,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:10:59,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 11:10:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 11:10:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-09-21 11:10:59,433 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-09-21 11:10:59,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:59,434 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-09-21 11:10:59,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:10:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-09-21 11:10:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:10:59,440 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:59,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:59,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:10:59,441 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:59,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:59,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1066187872, now seen corresponding path program 1 times [2020-09-21 11:10:59,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:59,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021617124] [2020-09-21 11:10:59,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:59,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:59,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:59,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:59,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:59,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:10:59,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:59,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 11:10:59,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:59,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:59,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:10:59,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:10:59,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:59,958 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:10:59,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:11:00,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:00,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:00,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:00,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:00,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:00,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:00,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:11:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:11:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:00,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021617124] [2020-09-21 11:11:00,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:00,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:00,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370974099] [2020-09-21 11:11:00,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:00,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:00,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:00,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:00,104 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 4 states. [2020-09-21 11:11:00,470 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:00,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:00,968 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2020-09-21 11:11:00,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:00,969 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:11:00,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:00,971 INFO L225 Difference]: With dead ends: 141 [2020-09-21 11:11:00,971 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:11:00,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:00,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:11:00,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 11:11:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 11:11:00,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-09-21 11:11:00,996 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-09-21 11:11:00,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:00,996 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-09-21 11:11:00,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:00,996 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-09-21 11:11:00,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 11:11:00,997 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:00,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:00,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:00,998 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:00,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:00,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1773574869, now seen corresponding path program 1 times [2020-09-21 11:11:00,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:00,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [811986270] [2020-09-21 11:11:00,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:01,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:11:01,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-09-21 11:11:01,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:11:01,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:01,822 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:01,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:01,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:01,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:11:01,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:01,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:01,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:01,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:01,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:01,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:01,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:01,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:01,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:01,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:01,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:01,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:01,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:01,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:01,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:01,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:01,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:01,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:01,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:01,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:01,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:01,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:01,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:01,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:01,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:01,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:01,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:01,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:01,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:01,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:01,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:01,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:01,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:01,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:01,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:01,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:01,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:01,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:01,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:01,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:11:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:01,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:01,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:01,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:01,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:02,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [811986270] [2020-09-21 11:11:02,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:02,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:11:02,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070430747] [2020-09-21 11:11:02,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:11:02,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:02,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:11:02,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:02,004 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 7 states. [2020-09-21 11:11:02,420 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:03,297 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:03,609 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:03,902 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:04,220 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:04,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:04,562 INFO L93 Difference]: Finished difference Result 176 states and 222 transitions. [2020-09-21 11:11:04,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:11:04,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 11:11:04,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:04,566 INFO L225 Difference]: With dead ends: 176 [2020-09-21 11:11:04,566 INFO L226 Difference]: Without dead ends: 128 [2020-09-21 11:11:04,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:11:04,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-09-21 11:11:04,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116. [2020-09-21 11:11:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-21 11:11:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2020-09-21 11:11:04,604 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 54 [2020-09-21 11:11:04,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:04,604 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2020-09-21 11:11:04,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:11:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2020-09-21 11:11:04,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:11:04,606 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:04,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:04,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:04,607 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:04,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:04,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1393150715, now seen corresponding path program 1 times [2020-09-21 11:11:04,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:04,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233963178] [2020-09-21 11:11:04,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-21 11:11:04,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:11:04,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:11:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,994 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:04,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:05,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:11:05,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:05,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:05,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:05,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:05,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:05,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:05,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:05,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:05,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:05,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:05,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:11:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:05,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:05,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:05,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:11:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:05,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:05,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:05,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:05,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:05,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:05,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:05,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:05,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:05,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:05,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233963178] [2020-09-21 11:11:05,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:05,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:11:05,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759236206] [2020-09-21 11:11:05,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:11:05,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:05,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:11:05,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:05,158 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 5 states. [2020-09-21 11:11:05,569 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:06,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:06,067 INFO L93 Difference]: Finished difference Result 174 states and 212 transitions. [2020-09-21 11:11:06,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:11:06,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-09-21 11:11:06,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:06,070 INFO L225 Difference]: With dead ends: 174 [2020-09-21 11:11:06,071 INFO L226 Difference]: Without dead ends: 115 [2020-09-21 11:11:06,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:06,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-21 11:11:06,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 103. [2020-09-21 11:11:06,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-21 11:11:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2020-09-21 11:11:06,097 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 58 [2020-09-21 11:11:06,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:06,097 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2020-09-21 11:11:06,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:11:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2020-09-21 11:11:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:11:06,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:06,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:06,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:06,099 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:06,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:06,100 INFO L82 PathProgramCache]: Analyzing trace with hash 989390885, now seen corresponding path program 1 times [2020-09-21 11:11:06,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:06,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001833138] [2020-09-21 11:11:06,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:06,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:06,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:06,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:06,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:06,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-21 11:11:06,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:06,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-09-21 11:11:06,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:11:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:11:06,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:06,875 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:06,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:06,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:06,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:06,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:06,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:06,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:06,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:11:06,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:06,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:06,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:06,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:06,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:06,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:06,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:06,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:06,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:06,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:06,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:06,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:06,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:06,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:06,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:06,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:06,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:06,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:06,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:06,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:06,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:06,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:06,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:06,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:06,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:06,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:06,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:06,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:06,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:06,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:06,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:06,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:06,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:07,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:07,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:07,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:07,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:11:07,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:11:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:11:07,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:07,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:07,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:07,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:07,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:07,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:07,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:07,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:07,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:07,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:07,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:07,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:07,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:07,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001833138] [2020-09-21 11:11:07,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:07,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:11:07,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223300045] [2020-09-21 11:11:07,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:11:07,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:07,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:11:07,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:07,170 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 10 states. [2020-09-21 11:11:07,936 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:08,554 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:09,043 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:09,403 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:09,734 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:10,057 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:10,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:10,284 INFO L93 Difference]: Finished difference Result 152 states and 181 transitions. [2020-09-21 11:11:10,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:11:10,285 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-21 11:11:10,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:10,286 INFO L225 Difference]: With dead ends: 152 [2020-09-21 11:11:10,286 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:10,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:11:10,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:10,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:10,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-09-21 11:11:10,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:10,289 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:10,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:11:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:10,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:10,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:10,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:10,495 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:10,821 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 19 [2020-09-21 11:11:10,992 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:11,166 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:11,333 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:11,499 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:11,796 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 19 [2020-09-21 11:11:11,959 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:12,118 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:12,408 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 19 [2020-09-21 11:11:12,553 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:12,714 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:12,871 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:13,035 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:13,203 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:13,378 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:13,545 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:13,718 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:13,874 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:14,043 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:14,197 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:14,353 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:14,507 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:14,662 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:14,814 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:14,968 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:15,285 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:15,599 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:15,915 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:16,069 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:16,224 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:16,379 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:16,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:16,688 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:16,847 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:17,001 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:17,278 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 19 [2020-09-21 11:11:17,591 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:17,905 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:18,223 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:18,449 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:11:18,701 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:11:18,901 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:11:19,136 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:11:19,403 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:11:19,618 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:11:19,916 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:20,519 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:11:20,738 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-09-21 11:11:20,975 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:11:21,574 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-09-21 11:11:21,774 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-09-21 11:11:21,990 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:11:22,687 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:11:23,310 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:11:23,512 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-09-21 11:11:23,663 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-09-21 11:11:24,338 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:11:24,344 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-09-21 11:11:24,344 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-09-21 11:11:24,344 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-09-21 11:11:24,345 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-09-21 11:11:24,345 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-09-21 11:11:24,345 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-09-21 11:11:24,345 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-09-21 11:11:24,345 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-09-21 11:11:24,345 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-09-21 11:11:24,345 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-09-21 11:11:24,346 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-09-21 11:11:24,346 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-09-21 11:11:24,346 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-09-21 11:11:24,346 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-09-21 11:11:24,346 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-09-21 11:11:24,346 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-09-21 11:11:24,346 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-09-21 11:11:24,346 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-09-21 11:11:24,347 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-09-21 11:11:24,347 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-09-21 11:11:24,347 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-09-21 11:11:24,347 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-09-21 11:11:24,347 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-09-21 11:11:24,347 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2020-09-21 11:11:24,347 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2020-09-21 11:11:24,348 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:11:24,348 INFO L268 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2020-09-21 11:11:24,348 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:11:24,348 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-09-21 11:11:24,348 INFO L268 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2020-09-21 11:11:24,348 INFO L268 CegarLoopResult]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2020-09-21 11:11:24,349 INFO L271 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: true [2020-09-21 11:11:24,349 INFO L268 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-09-21 11:11:24,349 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 164 186) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:24,349 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2020-09-21 11:11:24,349 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:24,349 INFO L264 CegarLoopResult]: At program point L176-1(line 176) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:24,349 INFO L268 CegarLoopResult]: For program point L174(lines 174 181) no Hoare annotation was computed. [2020-09-21 11:11:24,350 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2020-09-21 11:11:24,350 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 164 186) no Hoare annotation was computed. [2020-09-21 11:11:24,350 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 11:11:24,350 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:24,350 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:24,351 INFO L264 CegarLoopResult]: At program point L170-1(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:24,351 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-21 11:11:24,351 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 11:11:24,351 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2020-09-21 11:11:24,351 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:11:24,351 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2020-09-21 11:11:24,351 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2020-09-21 11:11:24,351 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-21 11:11:24,352 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:11:24,352 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-21 11:11:24,352 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-21 11:11:24,352 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:11:24,352 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-21 11:11:24,352 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-21 11:11:24,352 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:11:24,352 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 11:11:24,353 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-21 11:11:24,353 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:11:24,353 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2020-09-21 11:11:24,353 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2020-09-21 11:11:24,353 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 256 264) no Hoare annotation was computed. [2020-09-21 11:11:24,353 INFO L268 CegarLoopResult]: For program point L284(lines 284 292) no Hoare annotation was computed. [2020-09-21 11:11:24,353 INFO L268 CegarLoopResult]: For program point L284-2(lines 284 292) no Hoare annotation was computed. [2020-09-21 11:11:24,353 INFO L268 CegarLoopResult]: For program point L272(lines 272 280) no Hoare annotation was computed. [2020-09-21 11:11:24,354 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 265 300) no Hoare annotation was computed. [2020-09-21 11:11:24,354 INFO L268 CegarLoopResult]: For program point L272-2(lines 272 280) no Hoare annotation was computed. [2020-09-21 11:11:24,354 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-21 11:11:24,354 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 265 300) no Hoare annotation was computed. [2020-09-21 11:11:24,354 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-09-21 11:11:24,354 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 265 300) no Hoare annotation was computed. [2020-09-21 11:11:24,354 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-09-21 11:11:24,354 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-09-21 11:11:24,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-09-21 11:11:24,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-09-21 11:11:24,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-09-21 11:11:24,355 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 154 163) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:24,355 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2020-09-21 11:11:24,355 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2020-09-21 11:11:24,355 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-09-21 11:11:24,355 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-09-21 11:11:24,356 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-09-21 11:11:24,356 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-09-21 11:11:24,356 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-09-21 11:11:24,356 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-09-21 11:11:24,356 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 245 255) no Hoare annotation was computed. [2020-09-21 11:11:24,356 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 245 255) no Hoare annotation was computed. [2020-09-21 11:11:24,356 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-09-21 11:11:24,356 INFO L268 CegarLoopResult]: For program point L250-1(line 250) no Hoare annotation was computed. [2020-09-21 11:11:24,357 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 245 255) no Hoare annotation was computed. [2020-09-21 11:11:24,357 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 237 244) no Hoare annotation was computed. [2020-09-21 11:11:24,357 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 237 244) no Hoare annotation was computed. [2020-09-21 11:11:24,357 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 237 244) no Hoare annotation was computed. [2020-09-21 11:11:24,357 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2020-09-21 11:11:24,357 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2020-09-21 11:11:24,357 INFO L268 CegarLoopResult]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2020-09-21 11:11:24,357 INFO L264 CegarLoopResult]: At program point testENTRY(lines 302 365) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:24,357 INFO L268 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-09-21 11:11:24,358 INFO L268 CegarLoopResult]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2020-09-21 11:11:24,358 INFO L264 CegarLoopResult]: At program point L358(lines 311 359) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:24,358 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-09-21 11:11:24,358 INFO L264 CegarLoopResult]: At program point L348-2(lines 342 353) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (and (= 2 ~waterLevel~0) .cse0))) [2020-09-21 11:11:24,358 INFO L268 CegarLoopResult]: For program point L313(lines 312 357) no Hoare annotation was computed. [2020-09-21 11:11:24,358 INFO L268 CegarLoopResult]: For program point L342(lines 342 353) no Hoare annotation was computed. [2020-09-21 11:11:24,358 INFO L264 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (and (= 2 ~waterLevel~0) .cse0))) [2020-09-21 11:11:24,359 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-09-21 11:11:24,359 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2020-09-21 11:11:24,359 INFO L264 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (and (= 2 ~waterLevel~0) .cse0))) [2020-09-21 11:11:24,359 INFO L264 CegarLoopResult]: At program point L355(lines 312 357) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (and (= 2 ~waterLevel~0) .cse0))) [2020-09-21 11:11:24,359 INFO L268 CegarLoopResult]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2020-09-21 11:11:24,359 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-09-21 11:11:24,359 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-09-21 11:11:24,360 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-09-21 11:11:24,360 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-09-21 11:11:24,360 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-09-21 11:11:24,360 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-09-21 11:11:24,360 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-09-21 11:11:24,360 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-09-21 11:11:24,360 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-09-21 11:11:24,360 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-09-21 11:11:24,360 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 415 437) no Hoare annotation was computed. [2020-09-21 11:11:24,361 INFO L268 CegarLoopResult]: For program point L423(lines 423 431) no Hoare annotation was computed. [2020-09-21 11:11:24,361 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 415 437) no Hoare annotation was computed. [2020-09-21 11:11:24,361 INFO L268 CegarLoopResult]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2020-09-21 11:11:24,361 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 415 437) no Hoare annotation was computed. [2020-09-21 11:11:24,361 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-09-21 11:11:24,361 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-09-21 11:11:24,361 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-09-21 11:11:24,361 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-09-21 11:11:24,361 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-09-21 11:11:24,362 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-09-21 11:11:24,362 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-09-21 11:11:24,362 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-09-21 11:11:24,362 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-09-21 11:11:24,362 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-09-21 11:11:24,362 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-09-21 11:11:24,362 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-09-21 11:11:24,362 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-09-21 11:11:24,362 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-09-21 11:11:24,363 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-09-21 11:11:24,363 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-09-21 11:11:24,363 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:24,363 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:11:24,363 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:24,364 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2020-09-21 11:11:24,364 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2020-09-21 11:11:24,364 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 229 236) no Hoare annotation was computed. [2020-09-21 11:11:24,364 INFO L268 CegarLoopResult]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2020-09-21 11:11:24,364 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:11:24,364 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2020-09-21 11:11:24,364 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2020-09-21 11:11:24,364 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 438 446) no Hoare annotation was computed. [2020-09-21 11:11:24,364 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2020-09-21 11:11:24,365 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:24,365 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:11:24,365 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:24,365 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) [2020-09-21 11:11:24,365 INFO L264 CegarLoopResult]: At program point L209(lines 209 215) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) [2020-09-21 11:11:24,365 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) [2020-09-21 11:11:24,365 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-09-21 11:11:24,366 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2020-09-21 11:11:24,366 INFO L268 CegarLoopResult]: For program point L202(lines 201 220) no Hoare annotation was computed. [2020-09-21 11:11:24,366 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2020-09-21 11:11:24,366 INFO L271 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2020-09-21 11:11:24,366 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2020-09-21 11:11:24,366 INFO L271 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: true [2020-09-21 11:11:24,366 INFO L268 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-09-21 11:11:24,366 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2020-09-21 11:11:24,367 INFO L271 CegarLoopResult]: At program point L114(lines 89 118) the Hoare annotation is: true [2020-09-21 11:11:24,367 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-21 11:11:24,367 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-09-21 11:11:24,367 INFO L271 CegarLoopResult]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2020-09-21 11:11:24,367 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 11:11:24,367 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 406 414) no Hoare annotation was computed. [2020-09-21 11:11:24,367 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 406 414) no Hoare annotation was computed. [2020-09-21 11:11:24,367 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 406 414) no Hoare annotation was computed. [2020-09-21 11:11:24,367 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2020-09-21 11:11:24,368 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2020-09-21 11:11:24,368 INFO L268 CegarLoopResult]: For program point L374-1(lines 370 381) no Hoare annotation was computed. [2020-09-21 11:11:24,368 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2020-09-21 11:11:24,368 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2020-09-21 11:11:24,368 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:24,368 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-09-21 11:11:24,368 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:11:24,368 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:24,369 INFO L268 CegarLoopResult]: For program point L386-1(lines 382 393) no Hoare annotation was computed. [2020-09-21 11:11:24,369 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2020-09-21 11:11:24,369 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) [2020-09-21 11:11:24,369 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:11:24,369 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 11:11:24,369 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 11:11:24,369 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:11:24,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:11:24 BoogieIcfgContainer [2020-09-21 11:11:24,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:11:24,393 INFO L168 Benchmark]: Toolchain (without parser) took 30538.02 ms. Allocated memory was 146.8 MB in the beginning and 548.4 MB in the end (delta: 401.6 MB). Free memory was 102.4 MB in the beginning and 450.3 MB in the end (delta: -347.9 MB). Peak memory consumption was 420.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:24,394 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:11:24,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.66 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 174.4 MB in the end (delta: -72.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:24,395 INFO L168 Benchmark]: Boogie Preprocessor took 97.27 ms. Allocated memory is still 203.9 MB. Free memory was 174.4 MB in the beginning and 171.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:24,396 INFO L168 Benchmark]: RCFGBuilder took 1172.27 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 170.3 MB in the beginning and 208.0 MB in the end (delta: -37.8 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:24,397 INFO L168 Benchmark]: TraceAbstraction took 28476.95 ms. Allocated memory was 237.0 MB in the beginning and 548.4 MB in the end (delta: 311.4 MB). Free memory was 206.6 MB in the beginning and 450.3 MB in the end (delta: -243.7 MB). Peak memory consumption was 434.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:24,400 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 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 782.66 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 174.4 MB in the end (delta: -72.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.27 ms. Allocated memory is still 203.9 MB. Free memory was 174.4 MB in the beginning and 171.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1172.27 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 170.3 MB in the beginning and 208.0 MB in the end (delta: -37.8 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28476.95 ms. Allocated memory was 237.0 MB in the beginning and 548.4 MB in the end (delta: 311.4 MB). Free memory was 206.6 MB in the beginning and 450.3 MB in the end (delta: -243.7 MB). Peak memory consumption was 434.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(1 <= systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((!(1 <= systemActive) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0)) || (\old(waterLevel) == waterLevel && splverifierCounter <= 0)) || (2 == waterLevel && splverifierCounter <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 539 SDslu, 279 SDs, 0 SdLazy, 1046 SolverSat, 315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, 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, 6 MinimizatonAttempts, 94 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 165 PreInvPairs, 185 NumberOfFragments, 738 HoareAnnotationTreeSize, 165 FomulaSimplifications, 27112 FormulaSimplificationTreeSizeReduction, 7.9s HoareSimplificationTime, 40 FomulaSimplificationsInter, 5916 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 86154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...