/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:16:38,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:16:38,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:16:38,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:16:38,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:16:38,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:16:38,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:16:38,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:16:38,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:16:38,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:16:38,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:16:38,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:16:38,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:16:38,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:16:38,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:16:38,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:16:38,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:16:38,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:16:38,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:16:38,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:16:38,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:16:38,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:16:38,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:16:38,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:16:38,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:16:38,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:16:38,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:16:38,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:16:38,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:16:38,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:16:38,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:16:38,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:16:38,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:16:38,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:16:38,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:16:38,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:16:38,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:16:38,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:16:38,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:16:38,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:16:38,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:16:38,309 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 12:16:38,366 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:16:38,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:16:38,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:16:38,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:16:38,369 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:16:38,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:16:38,369 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:16:38,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:16:38,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:16:38,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:16:38,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:16:38,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:16:38,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:16:38,372 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:16:38,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:16:38,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:16:38,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:16:38,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:16:38,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:16:38,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:16:38,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:16:38,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:16:38,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:16:38,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:16:38,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:16:38,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:16:38,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:16:38,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:16:38,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:16:38,376 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:16:38,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:16:38,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:16:38,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:16:38,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:16:38,860 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:16:38,861 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2020-09-21 12:16:38,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2499062dd/68f9a0c35d04407ca67f8c2beab4bb96/FLAGf0a715415 [2020-09-21 12:16:39,542 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:16:39,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2020-09-21 12:16:39,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2499062dd/68f9a0c35d04407ca67f8c2beab4bb96/FLAGf0a715415 [2020-09-21 12:16:39,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2499062dd/68f9a0c35d04407ca67f8c2beab4bb96 [2020-09-21 12:16:39,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:16:39,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:16:39,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:16:39,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:16:39,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:16:39,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:16:39" (1/1) ... [2020-09-21 12:16:39,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:39, skipping insertion in model container [2020-09-21 12:16:39,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:16:39" (1/1) ... [2020-09-21 12:16:39,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:16:39,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:16:40,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:16:40,298 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:16:40,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:16:40,537 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:16:40,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40 WrapperNode [2020-09-21 12:16:40,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:16:40,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:16:40,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:16:40,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:16:40,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40" (1/1) ... [2020-09-21 12:16:40,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40" (1/1) ... [2020-09-21 12:16:40,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40" (1/1) ... [2020-09-21 12:16:40,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40" (1/1) ... [2020-09-21 12:16:40,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40" (1/1) ... [2020-09-21 12:16:40,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40" (1/1) ... [2020-09-21 12:16:40,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40" (1/1) ... [2020-09-21 12:16:40,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:16:40,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:16:40,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:16:40,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:16:40,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40" (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 12:16:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:16:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:16:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:16:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:16:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:16:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:16:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:16:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:16:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:16:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:16:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:16:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:16:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:16:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:16:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:16:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:16:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:16:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:16:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:16:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:16:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:16:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:16:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:16:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:16:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:16:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:16:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:16:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:16:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:16:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:16:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:16:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:16:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:16:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:16:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:16:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:16:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:16:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:16:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:16:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:16:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:16:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:16:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:16:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:16:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:16:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:16:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:16:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:16:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:16:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:16:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:16:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:16:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:16:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:16:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:16:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:16:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:16:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:16:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:16:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:16:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:16:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:16:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:16:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:16:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:16:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:16:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:16:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:16:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:16:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:16:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:16:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:16:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:16:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:16:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:16:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:16:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:16:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:16:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:16:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:16:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:16:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:16:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:16:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:16:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:16:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:16:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:16:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:16:41,884 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:16:41,884 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:16:41,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:16:41 BoogieIcfgContainer [2020-09-21 12:16:41,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:16:41,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:16:41,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:16:41,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:16:41,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:16:39" (1/3) ... [2020-09-21 12:16:41,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5ac3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:16:41, skipping insertion in model container [2020-09-21 12:16:41,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:16:40" (2/3) ... [2020-09-21 12:16:41,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5ac3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:16:41, skipping insertion in model container [2020-09-21 12:16:41,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:16:41" (3/3) ... [2020-09-21 12:16:41,906 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2020-09-21 12:16:41,917 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:16:41,928 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:16:41,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:16:41,974 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:16:41,975 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:16:41,975 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:16:41,975 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:16:41,975 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:16:41,975 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:16:41,975 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:16:41,976 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:16:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-09-21 12:16:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:16:42,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:16:42,014 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:16:42,014 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:16:42,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:16:42,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1661019057, now seen corresponding path program 1 times [2020-09-21 12:16:42,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:16:42,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341415134] [2020-09-21 12:16:42,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:16:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:42,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:42,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:43,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:43,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:16:43,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:16:43,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1081 [2020-09-21 12:16:43,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:43,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:43,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:16:43,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:43,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:16:43,815 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:16:43,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:16:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:43,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:43,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:43,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:43,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:16:43,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-21 12:16:43,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:16:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:43,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:43,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:43,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:16:43,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:43,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:43,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:43,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:43,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:43,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:43,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:43,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:16:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:43,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:43,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:43,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:16:43,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:43,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:43,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:43,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:43,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:43,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:43,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:16:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:43,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:43,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:43,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:43,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:43,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:16:43,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:43,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:16:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:43,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:43,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:43,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:16:43,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:43,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:16:43,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:43,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:43,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:43,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:44,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:16:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:44,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:44,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:44,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:44,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:44,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:44,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:44,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:44,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:44,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:44,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:44,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:16:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:44,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:44,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:44,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:16:44,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:44,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:16:44,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:44,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:16:44,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:44,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:44,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:16:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:44,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:44,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:44,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:44,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:44,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:44,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:44,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:16:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:44,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:44,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:44,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:44,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:44,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:44,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:16:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:44,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:44,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:16:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:44,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:44,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:44,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:44,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:44,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:44,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:16:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:16:44,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341415134] [2020-09-21 12:16:44,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:16:44,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:16:44,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541789411] [2020-09-21 12:16:44,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:16:44,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:16:44,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:16:44,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:16:44,094 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 4 states. [2020-09-21 12:16:44,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:16:44,955 INFO L93 Difference]: Finished difference Result 215 states and 284 transitions. [2020-09-21 12:16:44,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:16:44,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 12:16:44,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:16:44,975 INFO L225 Difference]: With dead ends: 215 [2020-09-21 12:16:44,975 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 12:16:44,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:16:45,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 12:16:45,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 95. [2020-09-21 12:16:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 12:16:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-09-21 12:16:45,067 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 59 [2020-09-21 12:16:45,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:16:45,067 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-09-21 12:16:45,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:16:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-09-21 12:16:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:16:45,072 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:16:45,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:16:45,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:16:45,072 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:16:45,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:16:45,073 INFO L82 PathProgramCache]: Analyzing trace with hash 828652057, now seen corresponding path program 1 times [2020-09-21 12:16:45,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:16:45,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069209217] [2020-09-21 12:16:45,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:16:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:45,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:45,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 12:16:46,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:16:46,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-09-21 12:16:46,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:16:46,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:16:46,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:16:46,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:46,493 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:16:46,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:16:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:46,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:16:46,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:46,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:16:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:16:46,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:46,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:46,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:16:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:16:46,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:46,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:46,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:16:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:46,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:16:46,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:46,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:16:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:16:46,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:16:46,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:46,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:16:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:46,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:46,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:16:46,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:16:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:16:46,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:16:46,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:16:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:16:46,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:16:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:46,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:16:46,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:46,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:16:46,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:16:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:46,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:16:46,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:16:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:16:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:16:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:46,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:46,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:46,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:46,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:46,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:46,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:46,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:46,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:16:46,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:46,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:16:46,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069209217] [2020-09-21 12:16:46,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:16:46,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:16:46,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805545250] [2020-09-21 12:16:46,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:16:46,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:16:46,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:16:46,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:16:46,704 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-09-21 12:16:47,253 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:16:47,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:16:47,783 INFO L93 Difference]: Finished difference Result 156 states and 192 transitions. [2020-09-21 12:16:47,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:16:47,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 12:16:47,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:16:47,787 INFO L225 Difference]: With dead ends: 156 [2020-09-21 12:16:47,787 INFO L226 Difference]: Without dead ends: 111 [2020-09-21 12:16:47,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:16:47,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-21 12:16:47,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2020-09-21 12:16:47,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-21 12:16:47,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-09-21 12:16:47,821 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 60 [2020-09-21 12:16:47,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:16:47,822 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-09-21 12:16:47,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:16:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-09-21 12:16:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 12:16:47,824 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:16:47,825 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:16:47,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:16:47,825 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:16:47,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:16:47,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1426566225, now seen corresponding path program 1 times [2020-09-21 12:16:47,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:16:47,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928546079] [2020-09-21 12:16:47,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:16:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:47,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:48,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:48,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:48,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:16:48,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:16:48,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-09-21 12:16:48,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:16:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:16:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 12:16:48,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,224 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:16:49,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:16:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:49,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-21 12:16:49,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:16:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:16:49,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:16:49,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:16:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:16:49,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:49,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:16:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:16:49,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:16:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:16:49,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:49,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:16:49,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:16:49,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:16:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:49,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:16:49,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:16:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:16:49,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:16:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:16:49,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:49,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:16:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:16:49,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:16:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:49,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:16:49,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:16:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:16:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:16:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:16:49,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:16:49,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:16:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:16:49,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:16:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:49,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:16:49,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:16:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:16:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:16:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:49,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:16:49,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:16:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:16:49,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 12:16:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:16:49,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:16:49,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:16:49,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:16:49,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:16:49,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:16:49,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:16:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:16:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:16:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:16:49,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:16:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:16:49,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928546079] [2020-09-21 12:16:49,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:16:49,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:16:49,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7616389] [2020-09-21 12:16:49,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:16:49,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:16:49,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:16:49,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:16:49,512 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 8 states. [2020-09-21 12:16:49,964 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:50,663 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:16:51,313 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:16:51,638 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:16:51,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:16:51,711 INFO L93 Difference]: Finished difference Result 161 states and 203 transitions. [2020-09-21 12:16:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:16:51,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 12:16:51,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:16:51,713 INFO L225 Difference]: With dead ends: 161 [2020-09-21 12:16:51,713 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:16:51,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:16:51,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:16:51,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:16:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:16:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:16:51,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-09-21 12:16:51,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:16:51,716 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:16:51,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:16:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:16:51,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:16:51,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:16:51,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:16:51,914 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:52,093 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:52,272 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:52,398 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:16:52,565 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:52,740 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:52,914 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:53,076 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:53,239 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:53,396 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:53,652 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:53,806 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:53,961 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:54,107 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:16:54,259 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:54,509 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:54,660 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:54,828 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:54,979 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:55,129 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:55,377 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:55,525 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:55,673 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:55,825 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:55,975 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:56,123 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:56,272 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:56,421 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:56,661 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:56,809 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:56,957 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:57,118 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:57,266 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:57,415 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:16:57,628 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-09-21 12:16:57,823 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-09-21 12:16:58,071 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-09-21 12:16:58,299 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-09-21 12:16:58,489 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:16:58,645 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-09-21 12:16:58,846 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-09-21 12:16:59,051 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:16:59,315 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:16:59,536 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-09-21 12:16:59,757 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-09-21 12:17:00,000 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-09-21 12:17:00,170 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:00,420 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:00,609 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:00,614 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:17:00,614 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:17:00,614 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:17:00,615 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:17:00,616 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:17:00,616 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:17:00,616 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-09-21 12:17:00,616 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:17:00,616 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-09-21 12:17:00,617 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 765 771) the Hoare annotation is: true [2020-09-21 12:17:00,617 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 765 771) no Hoare annotation was computed. [2020-09-21 12:17:00,617 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 772 780) no Hoare annotation was computed. [2020-09-21 12:17:00,617 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 772 780) the Hoare annotation is: true [2020-09-21 12:17:00,617 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 772 780) no Hoare annotation was computed. [2020-09-21 12:17:00,617 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 696 703) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:00,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 696 703) no Hoare annotation was computed. [2020-09-21 12:17:00,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 696 703) no Hoare annotation was computed. [2020-09-21 12:17:00,618 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 704 713) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:00,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 704 713) no Hoare annotation was computed. [2020-09-21 12:17:00,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 704 713) no Hoare annotation was computed. [2020-09-21 12:17:00,618 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-09-21 12:17:00,618 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:17:00,619 INFO L268 CegarLoopResult]: For program point L727(lines 727 733) no Hoare annotation was computed. [2020-09-21 12:17:00,619 INFO L268 CegarLoopResult]: For program point L726(lines 726 736) no Hoare annotation was computed. [2020-09-21 12:17:00,619 INFO L271 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: true [2020-09-21 12:17:00,619 INFO L268 CegarLoopResult]: For program point L724-1(line 724) no Hoare annotation was computed. [2020-09-21 12:17:00,619 INFO L268 CegarLoopResult]: For program point L722(lines 722 739) no Hoare annotation was computed. [2020-09-21 12:17:00,619 INFO L268 CegarLoopResult]: For program point L722-1(lines 714 742) no Hoare annotation was computed. [2020-09-21 12:17:00,619 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 714 742) the Hoare annotation is: true [2020-09-21 12:17:00,620 INFO L271 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: true [2020-09-21 12:17:00,620 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-09-21 12:17:00,620 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 714 742) no Hoare annotation was computed. [2020-09-21 12:17:00,620 INFO L268 CegarLoopResult]: For program point L865(lines 865 872) no Hoare annotation was computed. [2020-09-21 12:17:00,620 INFO L268 CegarLoopResult]: For program point L865-1(lines 865 872) no Hoare annotation was computed. [2020-09-21 12:17:00,620 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-09-21 12:17:00,620 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,621 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 855 877) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,621 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,621 INFO L264 CegarLoopResult]: At program point L861-1(line 861) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,621 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 855 877) no Hoare annotation was computed. [2020-09-21 12:17:00,621 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 855 877) no Hoare annotation was computed. [2020-09-21 12:17:00,622 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,622 INFO L264 CegarLoopResult]: At program point L867-1(line 867) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,622 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2020-09-21 12:17:00,622 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 12:17:00,622 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-09-21 12:17:00,622 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-09-21 12:17:00,623 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 813 836) no Hoare annotation was computed. [2020-09-21 12:17:00,623 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-09-21 12:17:00,623 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2020-09-21 12:17:00,623 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-09-21 12:17:00,623 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-09-21 12:17:00,623 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-09-21 12:17:00,623 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-09-21 12:17:00,623 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-09-21 12:17:00,624 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-09-21 12:17:00,624 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-09-21 12:17:00,624 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-09-21 12:17:00,624 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-09-21 12:17:00,624 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-09-21 12:17:00,624 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 564 572) no Hoare annotation was computed. [2020-09-21 12:17:00,624 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 564 572) the Hoare annotation is: true [2020-09-21 12:17:00,625 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 564 572) no Hoare annotation was computed. [2020-09-21 12:17:00,625 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-09-21 12:17:00,625 INFO L268 CegarLoopResult]: For program point L603-1(line 603) no Hoare annotation was computed. [2020-09-21 12:17:00,625 INFO L268 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-09-21 12:17:00,625 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 573 608) no Hoare annotation was computed. [2020-09-21 12:17:00,625 INFO L268 CegarLoopResult]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2020-09-21 12:17:00,625 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 573 608) no Hoare annotation was computed. [2020-09-21 12:17:00,626 INFO L268 CegarLoopResult]: For program point L580(lines 580 588) no Hoare annotation was computed. [2020-09-21 12:17:00,626 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 573 608) no Hoare annotation was computed. [2020-09-21 12:17:00,626 INFO L268 CegarLoopResult]: For program point L580-2(lines 580 588) no Hoare annotation was computed. [2020-09-21 12:17:00,626 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 758 764) no Hoare annotation was computed. [2020-09-21 12:17:00,626 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 758 764) the Hoare annotation is: true [2020-09-21 12:17:00,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:17:00,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:17:00,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:17:00,627 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-09-21 12:17:00,627 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:17:00,627 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:17:00,627 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:17:00,627 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:17:00,628 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:17:00,628 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-09-21 12:17:00,628 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 844 854) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,628 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 844 854) no Hoare annotation was computed. [2020-09-21 12:17:00,629 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 844 854) no Hoare annotation was computed. [2020-09-21 12:17:00,629 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 553 563) no Hoare annotation was computed. [2020-09-21 12:17:00,629 INFO L268 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-09-21 12:17:00,629 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-09-21 12:17:00,629 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 553 563) no Hoare annotation was computed. [2020-09-21 12:17:00,629 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 553 563) no Hoare annotation was computed. [2020-09-21 12:17:00,629 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 545 552) no Hoare annotation was computed. [2020-09-21 12:17:00,630 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 545 552) no Hoare annotation was computed. [2020-09-21 12:17:00,630 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 545 552) no Hoare annotation was computed. [2020-09-21 12:17:00,630 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 530 536) no Hoare annotation was computed. [2020-09-21 12:17:00,630 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 530 536) the Hoare annotation is: true [2020-09-21 12:17:00,630 INFO L264 CegarLoopResult]: At program point testENTRY(lines 619 684) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,630 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-09-21 12:17:00,631 INFO L264 CegarLoopResult]: At program point L667-2(lines 659 672) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-09-21 12:17:00,631 INFO L268 CegarLoopResult]: For program point testFINAL(lines 619 684) no Hoare annotation was computed. [2020-09-21 12:17:00,631 INFO L268 CegarLoopResult]: For program point L630(lines 629 676) no Hoare annotation was computed. [2020-09-21 12:17:00,631 INFO L264 CegarLoopResult]: At program point L661(line 661) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-09-21 12:17:00,631 INFO L268 CegarLoopResult]: For program point L659(lines 659 672) no Hoare annotation was computed. [2020-09-21 12:17:00,631 INFO L264 CegarLoopResult]: At program point L651(line 651) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-09-21 12:17:00,631 INFO L268 CegarLoopResult]: For program point L649(lines 649 655) no Hoare annotation was computed. [2020-09-21 12:17:00,631 INFO L268 CegarLoopResult]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2020-09-21 12:17:00,632 INFO L264 CegarLoopResult]: At program point L674(lines 629 676) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-09-21 12:17:00,632 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-09-21 12:17:00,632 INFO L268 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2020-09-21 12:17:00,632 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2020-09-21 12:17:00,632 INFO L268 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-09-21 12:17:00,632 INFO L264 CegarLoopResult]: At program point L677(lines 628 678) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:17:00,632 INFO L268 CegarLoopResult]: For program point testEXIT(lines 619 684) no Hoare annotation was computed. [2020-09-21 12:17:00,632 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:17:00,632 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:17:00,632 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:17:00,632 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point L467-2(lines 467 475) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 459 481) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point L467(lines 467 475) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 12:17:00,633 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 748 757) no Hoare annotation was computed. [2020-09-21 12:17:00,634 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 748 757) no Hoare annotation was computed. [2020-09-21 12:17:00,635 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 748 757) no Hoare annotation was computed. [2020-09-21 12:17:00,635 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:00,635 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:17:00,635 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:00,635 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 537 544) no Hoare annotation was computed. [2020-09-21 12:17:00,635 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 537 544) no Hoare annotation was computed. [2020-09-21 12:17:00,635 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 537 544) no Hoare annotation was computed. [2020-09-21 12:17:00,635 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 482 490) the Hoare annotation is: true [2020-09-21 12:17:00,635 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 482 490) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 450 458) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2020-09-21 12:17:00,636 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:17:00,636 INFO L268 CegarLoopResult]: For program point L510(lines 506 528) no Hoare annotation was computed. [2020-09-21 12:17:00,637 INFO L268 CegarLoopResult]: For program point L508(lines 506 528) no Hoare annotation was computed. [2020-09-21 12:17:00,637 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,637 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2020-09-21 12:17:00,637 INFO L271 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: true [2020-09-21 12:17:00,637 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2020-09-21 12:17:00,637 INFO L271 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: true [2020-09-21 12:17:00,637 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2020-09-21 12:17:00,637 INFO L268 CegarLoopResult]: For program point L797(lines 797 801) no Hoare annotation was computed. [2020-09-21 12:17:00,637 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 783 812) the Hoare annotation is: true [2020-09-21 12:17:00,637 INFO L271 CegarLoopResult]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2020-09-21 12:17:00,638 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-09-21 12:17:00,638 INFO L271 CegarLoopResult]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2020-09-21 12:17:00,638 INFO L271 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: true [2020-09-21 12:17:00,638 INFO L268 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-09-21 12:17:00,638 INFO L271 CegarLoopResult]: At program point L808(lines 783 812) the Hoare annotation is: true [2020-09-21 12:17:00,638 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-09-21 12:17:00,638 INFO L268 CegarLoopResult]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2020-09-21 12:17:00,638 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2020-09-21 12:17:00,638 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2020-09-21 12:17:00,638 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2020-09-21 12:17:00,638 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2020-09-21 12:17:00,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:00,639 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-09-21 12:17:00,639 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:17:00,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:00,639 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 609 616) no Hoare annotation was computed. [2020-09-21 12:17:00,639 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 609 616) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,639 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 609 616) no Hoare annotation was computed. [2020-09-21 12:17:00,639 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2020-09-21 12:17:00,639 INFO L268 CegarLoopResult]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2020-09-21 12:17:00,639 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:00,639 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 686 693) no Hoare annotation was computed. [2020-09-21 12:17:00,640 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2020-09-21 12:17:00,640 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 686 693) the Hoare annotation is: true [2020-09-21 12:17:00,640 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 686 693) no Hoare annotation was computed. [2020-09-21 12:17:00,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:17:00 BoogieIcfgContainer [2020-09-21 12:17:00,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:17:00,657 INFO L168 Benchmark]: Toolchain (without parser) took 20825.40 ms. Allocated memory was 141.0 MB in the beginning and 491.3 MB in the end (delta: 350.2 MB). Free memory was 103.6 MB in the beginning and 182.2 MB in the end (delta: -78.6 MB). Peak memory consumption was 309.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:00,658 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:17:00,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.74 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 103.0 MB in the beginning and 175.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:00,659 INFO L168 Benchmark]: Boogie Preprocessor took 118.67 ms. Allocated memory is still 205.0 MB. Free memory was 175.0 MB in the beginning and 170.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:00,660 INFO L168 Benchmark]: RCFGBuilder took 1236.37 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 170.9 MB in the beginning and 202.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:00,661 INFO L168 Benchmark]: TraceAbstraction took 18758.03 ms. Allocated memory was 237.5 MB in the beginning and 491.3 MB in the end (delta: 253.8 MB). Free memory was 202.6 MB in the beginning and 182.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 311.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:00,665 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.74 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 103.0 MB in the beginning and 175.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.67 ms. Allocated memory is still 205.0 MB. Free memory was 175.0 MB in the beginning and 170.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1236.37 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 170.9 MB in the beginning and 202.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18758.03 ms. Allocated memory was 237.5 MB in the beginning and 491.3 MB in the end (delta: 253.8 MB). Free memory was 202.6 MB in the beginning and 182.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 311.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: 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: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || splverifierCounter <= 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.7s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 238 SDslu, 197 SDs, 0 SdLazy, 562 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 51 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 125 PreInvPairs, 145 NumberOfFragments, 459 HoareAnnotationTreeSize, 125 FomulaSimplifications, 3546 FormulaSimplificationTreeSizeReduction, 5.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4515 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 51199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...