/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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:12:33,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:12:33,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:12:33,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:12:33,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:12:33,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:12:33,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:12:33,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:12:33,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:12:33,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:12:33,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:12:33,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:12:33,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:12:33,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:12:33,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:12:33,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:12:33,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:12:33,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:12:33,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:12:33,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:12:33,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:12:33,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:12:33,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:12:33,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:12:33,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:12:33,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:12:33,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:12:33,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:12:33,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:12:33,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:12:33,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:12:33,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:12:33,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:12:33,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:12:33,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:12:33,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:12:33,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:12:33,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:12:33,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:12:33,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:12:33,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:12:33,427 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 11:12:33,465 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:12:33,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:12:33,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:12:33,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:12:33,468 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:12:33,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:12:33,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:12:33,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:12:33,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:12:33,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:12:33,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:12:33,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:12:33,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:12:33,470 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:12:33,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:12:33,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:12:33,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:12:33,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:12:33,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:12:33,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:12:33,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:12:33,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:12:33,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:12:33,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:12:33,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:12:33,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:12:33,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:12:33,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:12:33,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:12:33,473 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 11:12:33,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:12:33,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:12:33,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:12:33,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:12:33,938 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:12:33,939 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-21 11:12:34,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62c349c7d/510d988d4148422b807a46efc3c2916f/FLAGec3bcc7cf [2020-09-21 11:12:34,722 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:12:34,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-21 11:12:34,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62c349c7d/510d988d4148422b807a46efc3c2916f/FLAGec3bcc7cf [2020-09-21 11:12:34,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62c349c7d/510d988d4148422b807a46efc3c2916f [2020-09-21 11:12:34,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:12:34,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:12:34,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:34,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:12:34,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:12:34,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:34" (1/1) ... [2020-09-21 11:12:34,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:34, skipping insertion in model container [2020-09-21 11:12:34,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:34" (1/1) ... [2020-09-21 11:12:34,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:12:35,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:12:35,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:35,599 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:12:35,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:35,728 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:12:35,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35 WrapperNode [2020-09-21 11:12:35,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:35,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:12:35,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:12:35,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:12:35,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35" (1/1) ... [2020-09-21 11:12:35,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35" (1/1) ... [2020-09-21 11:12:35,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35" (1/1) ... [2020-09-21 11:12:35,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35" (1/1) ... [2020-09-21 11:12:35,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35" (1/1) ... [2020-09-21 11:12:35,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35" (1/1) ... [2020-09-21 11:12:35,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35" (1/1) ... [2020-09-21 11:12:35,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:12:35,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:12:35,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:12:35,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:12:35,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35" (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 11:12:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:12:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:12:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:12:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:12:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:12:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:12:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:12:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:12:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:12:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:12:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:12:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:12:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:12:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:12:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:12:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:12:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:12:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:12:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:12:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:12:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:12:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:12:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:12:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:12:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:12:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:12:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:12:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:12:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:12:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:12:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:12:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:12:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:12:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:12:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:12:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:12:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:12:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:12:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:12:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:12:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:12:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:12:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:12:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:12:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:12:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:12:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:12:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:12:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:12:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:12:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:12:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:12:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:12:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:12:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:12:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:12:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:12:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:12:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:12:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:12:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:12:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:12:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:12:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:12:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:12:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:12:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:12:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:12:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:12:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:12:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:12:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:12:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:12:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:12:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:12:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:12:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:12:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:12:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:12:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:12:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:12:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:12:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:12:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:12:37,012 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:12:37,013 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:12:37,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:37 BoogieIcfgContainer [2020-09-21 11:12:37,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:12:37,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:12:37,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:12:37,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:12:37,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:12:34" (1/3) ... [2020-09-21 11:12:37,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409cd9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:37, skipping insertion in model container [2020-09-21 11:12:37,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:35" (2/3) ... [2020-09-21 11:12:37,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409cd9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:37, skipping insertion in model container [2020-09-21 11:12:37,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:37" (3/3) ... [2020-09-21 11:12:37,032 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-09-21 11:12:37,043 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:12:37,052 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:12:37,070 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:12:37,096 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:12:37,096 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:12:37,097 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:12:37,097 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:12:37,097 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:12:37,097 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:12:37,097 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:12:37,097 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:12:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-09-21 11:12:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:12:37,136 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:37,138 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 11:12:37,138 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:37,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:37,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1393146994, now seen corresponding path program 1 times [2020-09-21 11:12:37,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:37,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742837034] [2020-09-21 11:12:37,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:12:37,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:12:37,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:12:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:37,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:37,867 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:37,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:37,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:37,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:37,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:37,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:37,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:37,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:37,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:37,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:37,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:37,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:37,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:12:37,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:12:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:37,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:37,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:37,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:37,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:37,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:37,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:37,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:37,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:38,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:38,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:38,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:38,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:38,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:38,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:38,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:38,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:38,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:38,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:38,046 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 11:12:38,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742837034] [2020-09-21 11:12:38,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:38,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:12:38,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766433496] [2020-09-21 11:12:38,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:12:38,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:38,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:12:38,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:38,079 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2020-09-21 11:12:39,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:39,245 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2020-09-21 11:12:39,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:12:39,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:12:39,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:39,273 INFO L225 Difference]: With dead ends: 308 [2020-09-21 11:12:39,277 INFO L226 Difference]: Without dead ends: 167 [2020-09-21 11:12:39,285 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 11:12:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-09-21 11:12:39,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2020-09-21 11:12:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-09-21 11:12:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-09-21 11:12:39,407 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2020-09-21 11:12:39,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:39,408 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-09-21 11:12:39,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:12:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-09-21 11:12:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:12:39,412 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:39,413 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 11:12:39,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:12:39,413 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:39,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:39,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1814082405, now seen corresponding path program 1 times [2020-09-21 11:12:39,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:39,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783581224] [2020-09-21 11:12:39,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:39,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:39,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:39,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:39,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:39,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:12:39,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:39,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:12:39,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:12:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:12:39,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:39,747 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:39,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:39,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:39,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:39,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:39,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:39,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:39,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:39,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:39,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:39,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:39,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:39,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:39,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:39,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:39,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:39,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:39,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:39,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:39,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:39,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:39,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:39,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:39,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:39,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:39,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:39,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:39,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:39,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:39,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:39,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:39,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:39,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:39,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:39,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:39,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:39,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:39,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:39,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:39,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:39,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:39,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:39,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:39,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:39,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:39,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:39,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:39,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:39,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:39,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:39,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:39,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:39,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:39,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:39,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:39,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:39,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:39,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:39,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:39,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:39,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:39,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:39,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:39,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:39,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:39,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:39,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:39,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:39,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:39,831 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 11:12:39,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783581224] [2020-09-21 11:12:39,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:39,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:39,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12181594] [2020-09-21 11:12:39,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:39,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:39,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:39,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:39,836 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2020-09-21 11:12:40,319 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:41,255 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2020-09-21 11:12:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:41,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:12:41,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:41,261 INFO L225 Difference]: With dead ends: 231 [2020-09-21 11:12:41,261 INFO L226 Difference]: Without dead ends: 151 [2020-09-21 11:12:41,263 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 11:12:41,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-21 11:12:41,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2020-09-21 11:12:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-09-21 11:12:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-09-21 11:12:41,301 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-09-21 11:12:41,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:41,302 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-09-21 11:12:41,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-09-21 11:12:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:12:41,304 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:41,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:41,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:12:41,305 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:41,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:41,305 INFO L82 PathProgramCache]: Analyzing trace with hash -947171688, now seen corresponding path program 1 times [2020-09-21 11:12:41,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:41,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175397605] [2020-09-21 11:12:41,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:41,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:41,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:41,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:41,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:41,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:12:41,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:41,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-09-21 11:12:41,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:12:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:12:41,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:41,940 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:41,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:42,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:42,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:42,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:42,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:42,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:42,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:42,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:12:42,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:42,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:42,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:42,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:42,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:42,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:42,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:42,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:42,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:42,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:42,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:42,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:42,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:42,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:42,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:42,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:42,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:42,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:42,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:42,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:42,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:42,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:42,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:42,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:42,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:42,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:42,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:42,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:42,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:42,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:42,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:42,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:42,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:42,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:42,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:42,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:42,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:42,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:42,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:42,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:42,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:42,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:42,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:42,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:42,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:12:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:42,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:42,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:42,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:42,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:42,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:42,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:42,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:42,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:42,082 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 11:12:42,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175397605] [2020-09-21 11:12:42,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:42,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:42,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338915359] [2020-09-21 11:12:42,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:42,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:42,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:42,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:42,085 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 4 states. [2020-09-21 11:12:42,437 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:44,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:44,098 INFO L93 Difference]: Finished difference Result 361 states and 445 transitions. [2020-09-21 11:12:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:44,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:12:44,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:44,103 INFO L225 Difference]: With dead ends: 361 [2020-09-21 11:12:44,103 INFO L226 Difference]: Without dead ends: 262 [2020-09-21 11:12:44,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 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 11:12:44,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-09-21 11:12:44,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 212. [2020-09-21 11:12:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-21 11:12:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 253 transitions. [2020-09-21 11:12:44,175 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 253 transitions. Word has length 52 [2020-09-21 11:12:44,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:44,175 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 253 transitions. [2020-09-21 11:12:44,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 253 transitions. [2020-09-21 11:12:44,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:12:44,178 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:44,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:44,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:12:44,179 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:44,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:44,179 INFO L82 PathProgramCache]: Analyzing trace with hash -306167776, now seen corresponding path program 1 times [2020-09-21 11:12:44,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:44,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727605569] [2020-09-21 11:12:44,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:44,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:44,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:44,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:44,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:44,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:12:44,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:44,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-09-21 11:12:44,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:12:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:12:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,049 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:45,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:45,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 11:12:45,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:45,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:45,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:45,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:45,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:45,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:45,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:45,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:45,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:45,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:45,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:45,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:45,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:45,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:12:45,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:45,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:45,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:12:45,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:12:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:45,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:45,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:12:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:45,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:45,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:45,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:45,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:45,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:45,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:45,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:45,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:45,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:45,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:45,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:45,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:45,268 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 11:12:45,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727605569] [2020-09-21 11:12:45,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:45,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:12:45,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781488452] [2020-09-21 11:12:45,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:12:45,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:45,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:12:45,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:12:45,271 INFO L87 Difference]: Start difference. First operand 212 states and 253 transitions. Second operand 8 states. [2020-09-21 11:12:45,735 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:46,900 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:47,280 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:47,620 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:47,952 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:49,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:49,097 INFO L93 Difference]: Finished difference Result 655 states and 850 transitions. [2020-09-21 11:12:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:12:49,098 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:12:49,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:49,104 INFO L225 Difference]: With dead ends: 655 [2020-09-21 11:12:49,105 INFO L226 Difference]: Without dead ends: 467 [2020-09-21 11:12:49,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:12:49,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-09-21 11:12:49,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 403. [2020-09-21 11:12:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-09-21 11:12:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 493 transitions. [2020-09-21 11:12:49,225 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 493 transitions. Word has length 57 [2020-09-21 11:12:49,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:49,226 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 493 transitions. [2020-09-21 11:12:49,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:12:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 493 transitions. [2020-09-21 11:12:49,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:12:49,229 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:49,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:49,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:12:49,230 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:49,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:49,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1163082694, now seen corresponding path program 1 times [2020-09-21 11:12:49,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:49,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745969061] [2020-09-21 11:12:49,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:49,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:49,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:49,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:49,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:12:49,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-09-21 11:12:49,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:12:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:12:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:49,978 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:49,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:50,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:50,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:50,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:50,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:50,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:50,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:50,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:12:50,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:50,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:50,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:50,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:50,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:50,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:50,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:50,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:50,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:50,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:50,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:50,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:50,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:50,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:50,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:50,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:50,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:50,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:50,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:50,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:50,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:50,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:50,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:50,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:50,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:50,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:50,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:50,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:50,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:50,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:50,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:50,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:50,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:50,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:50,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:50,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:50,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:50,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:50,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:50,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:50,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:50,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:50,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:50,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:50,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:50,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:12:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:50,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:50,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:50,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:50,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:50,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:50,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:50,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:12:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:12:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:12:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:50,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:12:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:50,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:50,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:50,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:50,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:50,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:12:50,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:50,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:50,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:12:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:50,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:12:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:50,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:50,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:50,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:50,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:50,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:50,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:50,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:50,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:50,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:50,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:50,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:50,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:50,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:12:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:50,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:50,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:50,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:50,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:50,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:50,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:50,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:50,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:50,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:50,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:50,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:50,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:50,196 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 11:12:50,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745969061] [2020-09-21 11:12:50,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:50,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:12:50,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184231408] [2020-09-21 11:12:50,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:12:50,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:50,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:12:50,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:12:50,199 INFO L87 Difference]: Start difference. First operand 403 states and 493 transitions. Second operand 11 states. [2020-09-21 11:12:50,694 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:51,458 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:52,459 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:53,008 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:53,369 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:53,783 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:54,185 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:55,684 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:12:56,898 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:12:58,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:58,590 INFO L93 Difference]: Finished difference Result 1261 states and 1628 transitions. [2020-09-21 11:12:58,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:12:58,591 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-21 11:12:58,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:58,598 INFO L225 Difference]: With dead ends: 1261 [2020-09-21 11:12:58,599 INFO L226 Difference]: Without dead ends: 1047 [2020-09-21 11:12:58,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:12:58,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-09-21 11:12:58,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 869. [2020-09-21 11:12:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-09-21 11:12:58,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1053 transitions. [2020-09-21 11:12:58,781 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1053 transitions. Word has length 61 [2020-09-21 11:12:58,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:58,781 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 1053 transitions. [2020-09-21 11:12:58,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:12:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1053 transitions. [2020-09-21 11:12:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:12:58,784 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:58,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:58,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:12:58,785 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:58,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:58,786 INFO L82 PathProgramCache]: Analyzing trace with hash -714386778, now seen corresponding path program 1 times [2020-09-21 11:12:58,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:58,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158058008] [2020-09-21 11:12:58,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:12:59,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-21 11:12:59,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:12:59,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:59,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:12:59,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:59,417 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:59,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:59,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-21 11:12:59,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:59,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:59,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:59,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:59,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:59,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:59,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:59,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:59,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:59,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:59,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:59,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:59,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:59,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:12:59,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:59,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:59,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:59,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:12:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:59,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:59,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:59,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:59,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:12:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:59,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:59,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:12:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:59,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:59,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:59,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:59,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:59,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:59,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:59,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:12:59,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:59,675 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 11:12:59,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158058008] [2020-09-21 11:12:59,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:59,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:12:59,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166263946] [2020-09-21 11:12:59,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:12:59,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:59,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:12:59,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:12:59,679 INFO L87 Difference]: Start difference. First operand 869 states and 1053 transitions. Second operand 6 states. [2020-09-21 11:13:00,095 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:13:01,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:01,032 INFO L93 Difference]: Finished difference Result 1113 states and 1393 transitions. [2020-09-21 11:13:01,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:13:01,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-09-21 11:13:01,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:01,033 INFO L225 Difference]: With dead ends: 1113 [2020-09-21 11:13:01,033 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:13:01,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:13:01,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:13:01,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:13:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:13:01,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:13:01,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 11:13:01,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:01,039 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:13:01,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:13:01,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:13:01,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:13:01,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:13:01,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:13:01,290 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:01,468 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:01,638 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:01,802 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:01,968 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:02,479 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18 [2020-09-21 11:13:02,660 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:02,819 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:02,980 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:03,142 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:03,308 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:03,899 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 87 [2020-09-21 11:13:04,049 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:04,208 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:04,370 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:04,519 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:05,094 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 87 [2020-09-21 11:13:05,243 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:05,400 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:05,644 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:13:05,893 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:13:06,136 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:13:06,378 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:13:06,620 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:13:06,931 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:13:07,241 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:13:07,548 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:13:07,858 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:13:08,167 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:13:08,337 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:08,475 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:08,630 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:08,777 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:08,934 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:09,087 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:09,240 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:09,394 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:09,547 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:09,700 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:09,856 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:10,013 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:10,161 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:10,313 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:10,469 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:10,632 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:10,781 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:10,934 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:11,082 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:11,237 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:11,389 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:11,542 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:11,724 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:11,873 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:12,025 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:12,178 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:12,325 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:12,478 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:12,630 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:12,785 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:12,934 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:13,087 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:13,252 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:13,400 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:13,572 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:13,725 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:13,876 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:14,025 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:14,644 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 194 [2020-09-21 11:13:14,838 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:15,002 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:15,165 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:15,318 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:15,469 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:15,620 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:15,770 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:15,923 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:16,089 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:16,237 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:16,391 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:16,953 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 87 [2020-09-21 11:13:17,122 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:17,658 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 87 [2020-09-21 11:13:17,917 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-21 11:13:18,236 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:13:18,570 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:13:18,898 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:13:19,231 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:13:19,557 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:13:19,889 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:13:20,042 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:20,231 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:20,385 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:20,537 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:20,685 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:20,837 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:20,989 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:21,146 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:13:21,294 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:21,913 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:13:22,106 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:22,391 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:13:23,113 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:13:23,796 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 21 [2020-09-21 11:13:24,387 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 11:13:24,641 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:24,918 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:25,132 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:25,793 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2020-09-21 11:13:26,019 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:13:26,657 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2020-09-21 11:13:27,286 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-09-21 11:13:27,498 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:13:28,095 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:13:28,243 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-21 11:13:28,488 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:28,699 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:29,315 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:13:29,546 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:13:29,767 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:30,123 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:30,888 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-09-21 11:13:31,125 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:13:31,758 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2020-09-21 11:13:31,795 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 408) no Hoare annotation was computed. [2020-09-21 11:13:31,795 INFO L268 CegarLoopResult]: For program point L409(lines 386 410) no Hoare annotation was computed. [2020-09-21 11:13:31,795 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 362 417) no Hoare annotation was computed. [2020-09-21 11:13:31,795 INFO L268 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2020-09-21 11:13:31,796 INFO L268 CegarLoopResult]: For program point L393-1(lines 393 397) no Hoare annotation was computed. [2020-09-21 11:13:31,796 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 362 417) no Hoare annotation was computed. [2020-09-21 11:13:31,796 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-09-21 11:13:31,796 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 362 417) no Hoare annotation was computed. [2020-09-21 11:13:31,796 INFO L268 CegarLoopResult]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2020-09-21 11:13:31,796 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:13:31,797 INFO L268 CegarLoopResult]: For program point L444-2(lines 444 469) no Hoare annotation was computed. [2020-09-21 11:13:31,797 INFO L268 CegarLoopResult]: For program point L470(lines 443 471) no Hoare annotation was computed. [2020-09-21 11:13:31,797 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 418 477) no Hoare annotation was computed. [2020-09-21 11:13:31,797 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:13:31,797 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 418 477) no Hoare annotation was computed. [2020-09-21 11:13:31,797 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-09-21 11:13:31,798 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 418 477) no Hoare annotation was computed. [2020-09-21 11:13:31,798 INFO L268 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-09-21 11:13:31,798 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2020-09-21 11:13:31,798 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2020-09-21 11:13:31,798 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2020-09-21 11:13:31,798 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2020-09-21 11:13:31,798 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2020-09-21 11:13:31,798 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-09-21 11:13:31,799 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:13:31,799 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-09-21 11:13:31,799 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:13:31,799 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-21 11:13:31,799 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-09-21 11:13:31,799 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-09-21 11:13:31,799 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-09-21 11:13:31,800 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-09-21 11:13:31,800 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-21 11:13:31,800 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 193 215) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:31,800 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2020-09-21 11:13:31,800 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:31,800 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 193 215) no Hoare annotation was computed. [2020-09-21 11:13:31,801 INFO L264 CegarLoopResult]: At program point L205-1(line 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:31,801 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:13:31,801 INFO L268 CegarLoopResult]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:13:31,801 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-09-21 11:13:31,801 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:31,801 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:31,802 INFO L264 CegarLoopResult]: At program point L199-1(line 199) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:31,802 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-09-21 11:13:31,802 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:13:31,802 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 151 174) no Hoare annotation was computed. [2020-09-21 11:13:31,802 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-09-21 11:13:31,802 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-09-21 11:13:31,802 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:13:31,802 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 151 174) no Hoare annotation was computed. [2020-09-21 11:13:31,802 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-21 11:13:31,802 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 151 174) no Hoare annotation was computed. [2020-09-21 11:13:31,803 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 11:13:31,803 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-09-21 11:13:31,803 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-09-21 11:13:31,803 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 11:13:31,803 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-09-21 11:13:31,803 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-21 11:13:31,803 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:13:31,803 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-09-21 11:13:31,804 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:13:31,804 INFO L268 CegarLoopResult]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2020-09-21 11:13:31,804 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:13:31,804 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:13:31,804 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-09-21 11:13:31,804 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:13:31,805 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:13:31,805 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-09-21 11:13:31,805 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-09-21 11:13:31,805 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2020-09-21 11:13:31,805 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2020-09-21 11:13:31,805 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:13:31,805 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-09-21 11:13:31,805 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:13:31,806 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 874 888) no Hoare annotation was computed. [2020-09-21 11:13:31,806 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2020-09-21 11:13:31,806 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2020-09-21 11:13:31,806 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 810 818) no Hoare annotation was computed. [2020-09-21 11:13:31,806 INFO L268 CegarLoopResult]: For program point L864(lines 864 868) no Hoare annotation was computed. [2020-09-21 11:13:31,806 INFO L271 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: true [2020-09-21 11:13:31,806 INFO L268 CegarLoopResult]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2020-09-21 11:13:31,806 INFO L268 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-09-21 11:13:31,807 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2020-09-21 11:13:31,807 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2020-09-21 11:13:31,807 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 855 873) no Hoare annotation was computed. [2020-09-21 11:13:31,807 INFO L268 CegarLoopResult]: For program point L826(lines 826 834) no Hoare annotation was computed. [2020-09-21 11:13:31,807 INFO L268 CegarLoopResult]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2020-09-21 11:13:31,807 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-09-21 11:13:31,807 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-09-21 11:13:31,807 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 819 854) no Hoare annotation was computed. [2020-09-21 11:13:31,807 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 819 854) no Hoare annotation was computed. [2020-09-21 11:13:31,808 INFO L268 CegarLoopResult]: For program point L838(lines 838 846) no Hoare annotation was computed. [2020-09-21 11:13:31,808 INFO L268 CegarLoopResult]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2020-09-21 11:13:31,808 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 819 854) no Hoare annotation was computed. [2020-09-21 11:13:31,808 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:13:31,808 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2020-09-21 11:13:31,808 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 316 361) no Hoare annotation was computed. [2020-09-21 11:13:31,808 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 316 361) no Hoare annotation was computed. [2020-09-21 11:13:31,808 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 316 361) no Hoare annotation was computed. [2020-09-21 11:13:31,808 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 629 674) no Hoare annotation was computed. [2020-09-21 11:13:31,809 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 629 674) no Hoare annotation was computed. [2020-09-21 11:13:31,809 INFO L268 CegarLoopResult]: For program point L649(lines 649 656) no Hoare annotation was computed. [2020-09-21 11:13:31,809 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 629 674) no Hoare annotation was computed. [2020-09-21 11:13:31,809 INFO L268 CegarLoopResult]: For program point L643(lines 643 663) no Hoare annotation was computed. [2020-09-21 11:13:31,809 INFO L268 CegarLoopResult]: For program point L643-1(lines 643 663) no Hoare annotation was computed. [2020-09-21 11:13:31,809 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 183 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:31,809 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2020-09-21 11:13:31,809 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2020-09-21 11:13:31,809 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2020-09-21 11:13:31,810 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2020-09-21 11:13:31,810 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 799 809) no Hoare annotation was computed. [2020-09-21 11:13:31,810 INFO L271 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: true [2020-09-21 11:13:31,810 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-09-21 11:13:31,810 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2020-09-21 11:13:31,810 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2020-09-21 11:13:31,810 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2020-09-21 11:13:31,810 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:13:31,811 INFO L268 CegarLoopResult]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2020-09-21 11:13:31,811 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2020-09-21 11:13:31,811 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:13:31,811 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:13:31,811 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:13:31,811 INFO L268 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2020-09-21 11:13:31,811 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:13:31,811 INFO L268 CegarLoopResult]: For program point L747-1(line 747) no Hoare annotation was computed. [2020-09-21 11:13:31,812 INFO L268 CegarLoopResult]: For program point L745(lines 745 762) no Hoare annotation was computed. [2020-09-21 11:13:31,812 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2020-09-21 11:13:31,812 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2020-09-21 11:13:31,812 INFO L264 CegarLoopResult]: At program point testENTRY(lines 898 965) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:13:31,812 INFO L264 CegarLoopResult]: At program point L958(lines 907 959) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:13:31,812 INFO L268 CegarLoopResult]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2020-09-21 11:13:31,812 INFO L264 CegarLoopResult]: At program point L948(line 948) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:31,813 INFO L268 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-09-21 11:13:31,813 INFO L264 CegarLoopResult]: At program point L946-1(lines 938 953) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:31,813 INFO L268 CegarLoopResult]: For program point L909(lines 908 957) no Hoare annotation was computed. [2020-09-21 11:13:31,813 INFO L264 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:31,813 INFO L268 CegarLoopResult]: For program point L938(lines 938 953) no Hoare annotation was computed. [2020-09-21 11:13:31,813 INFO L264 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:31,813 INFO L268 CegarLoopResult]: For program point L928(lines 928 934) no Hoare annotation was computed. [2020-09-21 11:13:31,813 INFO L268 CegarLoopResult]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2020-09-21 11:13:31,814 INFO L264 CegarLoopResult]: At program point L955(lines 908 957) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:31,814 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:13:31,814 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-09-21 11:13:31,814 INFO L268 CegarLoopResult]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2020-09-21 11:13:31,814 INFO L268 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-09-21 11:13:31,814 INFO L268 CegarLoopResult]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2020-09-21 11:13:31,814 INFO L268 CegarLoopResult]: For program point L603(lines 603 610) no Hoare annotation was computed. [2020-09-21 11:13:31,814 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 583 628) no Hoare annotation was computed. [2020-09-21 11:13:31,814 INFO L268 CegarLoopResult]: For program point L597(lines 597 617) no Hoare annotation was computed. [2020-09-21 11:13:31,815 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 583 628) no Hoare annotation was computed. [2020-09-21 11:13:31,815 INFO L268 CegarLoopResult]: For program point L597-1(lines 597 617) no Hoare annotation was computed. [2020-09-21 11:13:31,815 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 583 628) no Hoare annotation was computed. [2020-09-21 11:13:31,815 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 766 773) no Hoare annotation was computed. [2020-09-21 11:13:31,815 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 766 773) no Hoare annotation was computed. [2020-09-21 11:13:31,815 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 766 773) no Hoare annotation was computed. [2020-09-21 11:13:31,815 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 300 308) no Hoare annotation was computed. [2020-09-21 11:13:31,815 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2020-09-21 11:13:31,815 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2020-09-21 11:13:31,816 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 268 290) no Hoare annotation was computed. [2020-09-21 11:13:31,816 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 268 290) no Hoare annotation was computed. [2020-09-21 11:13:31,816 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 268 290) no Hoare annotation was computed. [2020-09-21 11:13:31,816 INFO L268 CegarLoopResult]: For program point L276(lines 276 284) no Hoare annotation was computed. [2020-09-21 11:13:31,816 INFO L268 CegarLoopResult]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2020-09-21 11:13:31,816 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2020-09-21 11:13:31,816 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2020-09-21 11:13:31,816 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2020-09-21 11:13:31,817 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 11:13:31,817 INFO L268 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2020-09-21 11:13:31,817 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 480 582) no Hoare annotation was computed. [2020-09-21 11:13:31,817 INFO L268 CegarLoopResult]: For program point L504(lines 504 508) no Hoare annotation was computed. [2020-09-21 11:13:31,817 INFO L268 CegarLoopResult]: For program point L568(lines 568 579) no Hoare annotation was computed. [2020-09-21 11:13:31,817 INFO L268 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2020-09-21 11:13:31,817 INFO L268 CegarLoopResult]: For program point L529-2(lines 529 549) no Hoare annotation was computed. [2020-09-21 11:13:31,817 INFO L268 CegarLoopResult]: For program point L550(lines 528 551) no Hoare annotation was computed. [2020-09-21 11:13:31,817 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 480 582) no Hoare annotation was computed. [2020-09-21 11:13:31,818 INFO L268 CegarLoopResult]: For program point L509(lines 509 525) no Hoare annotation was computed. [2020-09-21 11:13:31,818 INFO L268 CegarLoopResult]: For program point L569(lines 569 576) no Hoare annotation was computed. [2020-09-21 11:13:31,818 INFO L268 CegarLoopResult]: For program point L530(lines 529 549) no Hoare annotation was computed. [2020-09-21 11:13:31,818 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 480 582) no Hoare annotation was computed. [2020-09-21 11:13:31,818 INFO L268 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-09-21 11:13:31,818 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-09-21 11:13:31,818 INFO L268 CegarLoopResult]: For program point L526(lines 526 567) no Hoare annotation was computed. [2020-09-21 11:13:31,818 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:13:31,819 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:13:31,819 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:13:31,819 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-09-21 11:13:31,819 INFO L268 CegarLoopResult]: For program point L785-1(lines 774 790) no Hoare annotation was computed. [2020-09-21 11:13:31,819 INFO L268 CegarLoopResult]: For program point L781(lines 781 787) no Hoare annotation was computed. [2020-09-21 11:13:31,819 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 774 790) no Hoare annotation was computed. [2020-09-21 11:13:31,820 INFO L268 CegarLoopResult]: For program point L779(line 779) no Hoare annotation was computed. [2020-09-21 11:13:31,820 INFO L268 CegarLoopResult]: For program point L779-1(line 779) no Hoare annotation was computed. [2020-09-21 11:13:31,820 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 774 790) no Hoare annotation was computed. [2020-09-21 11:13:31,820 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2020-09-21 11:13:31,820 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 291 299) no Hoare annotation was computed. [2020-09-21 11:13:31,820 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2020-09-21 11:13:31,820 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-09-21 11:13:31,820 INFO L268 CegarLoopResult]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2020-09-21 11:13:31,821 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2020-09-21 11:13:31,821 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:13:31,821 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:13:31,821 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:13:31,821 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:13:31,821 INFO L264 CegarLoopResult]: At program point L694(lines 694 700) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:13:31,821 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (= |old(~waterLevel~0)| 2)) .cse0))) [2020-09-21 11:13:31,822 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:13:31,822 INFO L268 CegarLoopResult]: For program point L687(lines 686 705) no Hoare annotation was computed. [2020-09-21 11:13:31,822 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2020-09-21 11:13:31,822 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2020-09-21 11:13:31,822 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-21 11:13:31,822 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2020-09-21 11:13:31,822 INFO L271 CegarLoopResult]: At program point L128-2(lines 128 142) the Hoare annotation is: true [2020-09-21 11:13:31,823 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2020-09-21 11:13:31,823 INFO L271 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: true [2020-09-21 11:13:31,823 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-09-21 11:13:31,823 INFO L271 CegarLoopResult]: At program point L143(lines 118 147) the Hoare annotation is: true [2020-09-21 11:13:31,823 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:13:31,823 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-09-21 11:13:31,823 INFO L271 CegarLoopResult]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2020-09-21 11:13:31,823 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2020-09-21 11:13:31,824 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 259 267) no Hoare annotation was computed. [2020-09-21 11:13:31,824 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2020-09-21 11:13:31,824 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2020-09-21 11:13:31,824 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2020-09-21 11:13:31,824 INFO L268 CegarLoopResult]: For program point L227-1(lines 223 234) no Hoare annotation was computed. [2020-09-21 11:13:31,824 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2020-09-21 11:13:31,824 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2020-09-21 11:13:31,824 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:13:31,824 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:13:31,825 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:13:31,825 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:13:31,825 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2020-09-21 11:13:31,825 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:13:31,825 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 889 896) no Hoare annotation was computed. [2020-09-21 11:13:31,825 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2020-09-21 11:13:31,825 INFO L268 CegarLoopResult]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2020-09-21 11:13:31,825 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-09-21 11:13:31,826 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 107 114) no Hoare annotation was computed. [2020-09-21 11:13:31,826 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-09-21 11:13:31,826 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2020-09-21 11:13:31,826 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2020-09-21 11:13:31,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:13:31 BoogieIcfgContainer [2020-09-21 11:13:31,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:13:31,850 INFO L168 Benchmark]: Toolchain (without parser) took 56887.67 ms. Allocated memory was 141.6 MB in the beginning and 699.4 MB in the end (delta: 557.8 MB). Free memory was 104.2 MB in the beginning and 129.2 MB in the end (delta: -24.9 MB). Peak memory consumption was 576.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:31,850 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:13:31,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.99 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.6 MB in the beginning and 174.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:31,851 INFO L168 Benchmark]: Boogie Preprocessor took 97.75 ms. Allocated memory is still 205.5 MB. Free memory was 174.5 MB in the beginning and 170.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:31,852 INFO L168 Benchmark]: RCFGBuilder took 1192.77 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 169.9 MB in the beginning and 193.8 MB in the end (delta: -24.0 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:31,853 INFO L168 Benchmark]: TraceAbstraction took 54825.27 ms. Allocated memory was 235.4 MB in the beginning and 699.4 MB in the end (delta: 464.0 MB). Free memory was 192.5 MB in the beginning and 129.2 MB in the end (delta: 63.3 MB). Peak memory consumption was 570.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:13:31,855 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.99 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.6 MB in the beginning and 174.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.75 ms. Allocated memory is still 205.5 MB. Free memory was 174.5 MB in the beginning and 170.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1192.77 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 169.9 MB in the beginning and 193.8 MB in the end (delta: -24.0 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54825.27 ms. Allocated memory was 235.4 MB in the beginning and 699.4 MB in the end (delta: 464.0 MB). Free memory was 192.5 MB in the beginning and 129.2 MB in the end (delta: 63.3 MB). Peak memory consumption was 570.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || ((2 == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 18.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 762 SDtfs, 1281 SDslu, 614 SDs, 0 SdLazy, 3288 SolverSat, 941 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 355 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 901 PreInvPairs, 957 NumberOfFragments, 1134 HoareAnnotationTreeSize, 901 FomulaSimplifications, 160860 FormulaSimplificationTreeSizeReduction, 20.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 14780 FormulaSimplificationTreeSizeReductionInter, 10.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 91758 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...