/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_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:05:59,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:05:59,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:05:59,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:05:59,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:05:59,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:05:59,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:05:59,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:05:59,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:05:59,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:05:59,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:05:59,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:05:59,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:05:59,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:05:59,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:05:59,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:05:59,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:05:59,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:05:59,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:05:59,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:05:59,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:05:59,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:05:59,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:05:59,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:05:59,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:05:59,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:05:59,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:05:59,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:05:59,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:05:59,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:05:59,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:05:59,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:05:59,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:05:59,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:05:59,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:05:59,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:05:59,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:05:59,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:05:59,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:05:59,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:05:59,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:05:59,447 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 12:05:59,474 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:05:59,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:05:59,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:05:59,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:05:59,476 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:05:59,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:05:59,476 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:05:59,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:05:59,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:05:59,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:05:59,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:05:59,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:05:59,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:05:59,478 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:05:59,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:05:59,478 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:05:59,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:05:59,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:05:59,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:05:59,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:05:59,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:05:59,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:59,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:05:59,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:05:59,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:05:59,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:05:59,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:05:59,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:05:59,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:05:59,481 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 12:05:59,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:05:59,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:05:59,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:05:59,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:05:59,976 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:05:59,977 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-21 12:06:00,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8e0e45e3/5c83f0e53c7c45c4be3489d2fdcd729e/FLAGc31f6fea8 [2020-09-21 12:06:00,722 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:06:00,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-21 12:06:00,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8e0e45e3/5c83f0e53c7c45c4be3489d2fdcd729e/FLAGc31f6fea8 [2020-09-21 12:06:00,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8e0e45e3/5c83f0e53c7c45c4be3489d2fdcd729e [2020-09-21 12:06:01,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:06:01,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:06:01,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:06:01,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:06:01,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:06:01,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:06:00" (1/1) ... [2020-09-21 12:06:01,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694adced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01, skipping insertion in model container [2020-09-21 12:06:01,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:06:00" (1/1) ... [2020-09-21 12:06:01,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:06:01,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:06:01,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:06:01,580 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:06:01,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:06:01,721 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:06:01,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01 WrapperNode [2020-09-21 12:06:01,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:06:01,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:06:01,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:06:01,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:06:01,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01" (1/1) ... [2020-09-21 12:06:01,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01" (1/1) ... [2020-09-21 12:06:01,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01" (1/1) ... [2020-09-21 12:06:01,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01" (1/1) ... [2020-09-21 12:06:01,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01" (1/1) ... [2020-09-21 12:06:01,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01" (1/1) ... [2020-09-21 12:06:01,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01" (1/1) ... [2020-09-21 12:06:01,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:06:01,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:06:01,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:06:01,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:06:01,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01" (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 12:06:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:06:01,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:06:01,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:06:01,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:06:01,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:06:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:06:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:06:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:06:01,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:06:01,942 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:06:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:06:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:06:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:06:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:06:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:06:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:06:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:06:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:06:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:06:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:06:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:06:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:06:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:06:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:06:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:06:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:06:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:06:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:06:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:06:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:06:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:06:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:06:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:06:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:06:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:06:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:06:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:06:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:06:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:06:01,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:06:01,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:06:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:06:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:06:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:06:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:06:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:06:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:06:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:06:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:06:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:06:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:06:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:06:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:06:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:06:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:06:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:06:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:06:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:06:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:06:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:06:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:06:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:06:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:06:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:06:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:06:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:06:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:06:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:06:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:06:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:06:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:06:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:06:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:06:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:06:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:06:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:06:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:06:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:06:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:06:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:06:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:06:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:06:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:06:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:06:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:06:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:06:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:06:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:06:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:06:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:06:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:06:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:06:03,139 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:06:03,139 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:06:03,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:06:03 BoogieIcfgContainer [2020-09-21 12:06:03,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:06:03,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:06:03,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:06:03,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:06:03,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:06:00" (1/3) ... [2020-09-21 12:06:03,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ebbf48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:06:03, skipping insertion in model container [2020-09-21 12:06:03,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:01" (2/3) ... [2020-09-21 12:06:03,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ebbf48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:06:03, skipping insertion in model container [2020-09-21 12:06:03,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:06:03" (3/3) ... [2020-09-21 12:06:03,161 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-09-21 12:06:03,172 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:06:03,185 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:06:03,206 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:06:03,235 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:06:03,236 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:06:03,236 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:06:03,236 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:06:03,236 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:06:03,236 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:06:03,236 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:06:03,236 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:06:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-09-21 12:06:03,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:06:03,277 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:03,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:06:03,279 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:03,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:03,287 INFO L82 PathProgramCache]: Analyzing trace with hash -841254379, now seen corresponding path program 1 times [2020-09-21 12:06:03,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:03,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016351553] [2020-09-21 12:06:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:03,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:03,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:04,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:04,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:06:04,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:06:04,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:04,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:06:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:04,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 12:06:05,113 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:05,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:05,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:05,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:05,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:05,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:05,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:06:05,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:05,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:05,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:05,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:05,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:05,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:05,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:05,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:05,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:05,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:05,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:05,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:05,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:05,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:05,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:05,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:05,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:05,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:05,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:05,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:05,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:05,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:05,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:05,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:05,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:05,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:05,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:05,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:05,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:05,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:06:05,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:05,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:05,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:05,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:05,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:05,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:05,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:05,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:05,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:05,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:05,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:05,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:05,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:05,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:05,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:06:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:05,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:05,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:05,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:05,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:05,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:06:05,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:05,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:05,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:05,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:05,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:05,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:06:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:05,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:05,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:05,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:05,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:05,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:05,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:05,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:05,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:05,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016351553] [2020-09-21 12:06:05,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:05,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:06:05,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819898918] [2020-09-21 12:06:05,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:06:05,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:05,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:06:05,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:06:05,373 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 3 states. [2020-09-21 12:06:06,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:06,504 INFO L93 Difference]: Finished difference Result 293 states and 389 transitions. [2020-09-21 12:06:06,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:06:06,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:06:06,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:06,525 INFO L225 Difference]: With dead ends: 293 [2020-09-21 12:06:06,525 INFO L226 Difference]: Without dead ends: 159 [2020-09-21 12:06:06,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:06:06,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-21 12:06:06,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 125. [2020-09-21 12:06:06,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-21 12:06:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2020-09-21 12:06:06,651 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 46 [2020-09-21 12:06:06,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:06,652 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2020-09-21 12:06:06,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:06:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2020-09-21 12:06:06,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:06:06,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:06,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:06:06,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:06:06,667 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:06,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:06,668 INFO L82 PathProgramCache]: Analyzing trace with hash 63149069, now seen corresponding path program 1 times [2020-09-21 12:06:06,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:06,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078809338] [2020-09-21 12:06:06,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:06,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:06,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:07,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:06:08,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:06:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1316 [2020-09-21 12:06:08,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:06:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:06:08,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:06:08,451 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:08,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:08,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 12:06:08,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:08,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:08,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:08,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:08,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:06:08,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:08,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:08,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:08,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:08,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:08,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:06:08,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:08,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:08,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:06:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:08,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:06:08,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:08,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:08,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:06:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:08,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:08,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:08,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:08,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:08,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:08,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:08,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078809338] [2020-09-21 12:06:08,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:08,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:06:08,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126267888] [2020-09-21 12:06:08,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:06:08,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:08,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:06:08,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:06:08,665 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 4 states. [2020-09-21 12:06:09,116 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:09,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:09,917 INFO L93 Difference]: Finished difference Result 220 states and 272 transitions. [2020-09-21 12:06:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:06:09,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:06:09,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:09,920 INFO L225 Difference]: With dead ends: 220 [2020-09-21 12:06:09,920 INFO L226 Difference]: Without dead ends: 143 [2020-09-21 12:06:09,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:06:09,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-09-21 12:06:09,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 116. [2020-09-21 12:06:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-21 12:06:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2020-09-21 12:06:09,959 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 47 [2020-09-21 12:06:09,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:09,960 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2020-09-21 12:06:09,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:06:09,960 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2020-09-21 12:06:09,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:06:09,962 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:09,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:06:09,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:06:09,962 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:09,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:09,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1536896169, now seen corresponding path program 1 times [2020-09-21 12:06:09,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:09,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627562812] [2020-09-21 12:06:09,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:10,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:10,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:06:11,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-09-21 12:06:11,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:06:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:06:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,318 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:11,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:11,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 12:06:11,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:11,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:06:11,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:11,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:11,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:11,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:11,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:11,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:06:11,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:11,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:11,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:11,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:06:11,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:11,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:11,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:11,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:11,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:11,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:06:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:11,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:11,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:11,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:06:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:11,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:11,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:11,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:11,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:11,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:11,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:11,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:11,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:11,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:11,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627562812] [2020-09-21 12:06:11,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:11,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:06:11,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685047947] [2020-09-21 12:06:11,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:06:11,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:11,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:06:11,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:06:11,567 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 4 states. [2020-09-21 12:06:11,895 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:13,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:13,438 INFO L93 Difference]: Finished difference Result 339 states and 425 transitions. [2020-09-21 12:06:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:06:13,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:06:13,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:13,443 INFO L225 Difference]: With dead ends: 339 [2020-09-21 12:06:13,444 INFO L226 Difference]: Without dead ends: 247 [2020-09-21 12:06:13,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:06:13,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-09-21 12:06:13,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 202. [2020-09-21 12:06:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-09-21 12:06:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 245 transitions. [2020-09-21 12:06:13,511 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 245 transitions. Word has length 51 [2020-09-21 12:06:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:13,512 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 245 transitions. [2020-09-21 12:06:13,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:06:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 245 transitions. [2020-09-21 12:06:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:06:13,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:13,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:06:13,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:06:13,515 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:13,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:13,515 INFO L82 PathProgramCache]: Analyzing trace with hash -625105013, now seen corresponding path program 1 times [2020-09-21 12:06:13,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:13,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929550695] [2020-09-21 12:06:13,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:13,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:06:14,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:06:14,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:06:14,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:06:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-21 12:06:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:06:14,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,909 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:14,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:14,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:14,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:14,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:06:14,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:14,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:14,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:14,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:14,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:14,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:14,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:14,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:14,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:14,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:14,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:14,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:14,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:14,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:14,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:15,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:15,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:15,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:15,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:15,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:15,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:15,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:15,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:15,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:15,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:15,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:15,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:15,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:15,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:06:15,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:15,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:15,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:06:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:15,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:15,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:15,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:06:15,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:15,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:15,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:15,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:15,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:15,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:15,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:06:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:15,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:15,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:15,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:15,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:15,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:15,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:15,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:15,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:15,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:15,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:15,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:06:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:15,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:15,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:15,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:15,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:15,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:06:15,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:15,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:06:15,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:15,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:15,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:06:15,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1929550695] [2020-09-21 12:06:15,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:15,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:06:15,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53688463] [2020-09-21 12:06:15,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:06:15,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:15,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:06:15,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:06:15,084 INFO L87 Difference]: Start difference. First operand 202 states and 245 transitions. Second operand 8 states. [2020-09-21 12:06:15,465 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:16,409 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:16,735 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:17,114 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:06:17,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:17,354 INFO L93 Difference]: Finished difference Result 332 states and 420 transitions. [2020-09-21 12:06:17,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:06:17,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 12:06:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:17,356 INFO L225 Difference]: With dead ends: 332 [2020-09-21 12:06:17,357 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:06:17,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 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 12:06:17,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:06:17,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:06:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:06:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:06:17,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-09-21 12:06:17,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:17,361 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:06:17,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:06:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:06:17,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:06:17,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:06:17,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:06:17,541 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:06:17,697 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:17,852 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:18,014 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:18,167 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:18,324 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:18,495 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:18,653 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:18,812 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:18,971 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:19,126 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:19,233 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:06:19,359 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:06:19,479 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:06:19,624 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:19,790 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:19,942 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:20,097 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:20,255 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:20,408 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:20,552 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:20,703 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:20,855 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:21,002 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:21,152 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:21,301 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:21,446 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:21,599 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:21,744 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:21,896 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:22,048 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:22,198 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:22,347 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:22,584 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:22,731 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:22,965 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:23,115 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:23,283 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:23,534 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:23,678 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:23,826 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:23,972 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:24,120 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:24,276 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:24,425 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:24,598 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:24,748 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:24,897 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:25,044 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:25,281 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:25,428 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:25,683 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:25,833 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:25,981 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:26,125 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:26,564 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:06:26,783 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:26,999 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:27,411 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:06:27,630 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:27,872 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:28,203 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:28,616 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 12:06:28,835 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:29,243 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:06:29,659 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:06:30,102 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:06:30,504 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:06:30,707 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:31,064 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:06:31,278 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:31,477 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:31,707 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:31,942 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:32,149 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:32,369 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:32,595 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:32,803 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:33,159 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:06:33,560 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 12:06:33,565 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:06:33,565 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:06:33,565 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:06:33,565 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-09-21 12:06:33,565 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:06:33,566 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-09-21 12:06:33,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:06:33,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:06:33,566 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:06:33,566 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 12:06:33,567 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:06:33,567 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:06:33,567 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:06:33,567 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:06:33,567 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:06:33,567 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-09-21 12:06:33,567 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:06:33,568 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-09-21 12:06:33,568 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 818 824) the Hoare annotation is: true [2020-09-21 12:06:33,568 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 818 824) no Hoare annotation was computed. [2020-09-21 12:06:33,568 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 825 833) no Hoare annotation was computed. [2020-09-21 12:06:33,568 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 825 833) the Hoare annotation is: true [2020-09-21 12:06:33,568 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 825 833) no Hoare annotation was computed. [2020-09-21 12:06:33,568 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 907 929) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:33,568 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 907 929) no Hoare annotation was computed. [2020-09-21 12:06:33,569 INFO L264 CegarLoopResult]: At program point L919(line 919) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:33,569 INFO L264 CegarLoopResult]: At program point L919-1(line 919) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:33,569 INFO L268 CegarLoopResult]: For program point L917(lines 917 924) no Hoare annotation was computed. [2020-09-21 12:06:33,569 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 924) no Hoare annotation was computed. [2020-09-21 12:06:33,569 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-09-21 12:06:33,569 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:33,570 INFO L264 CegarLoopResult]: At program point L913(line 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:33,570 INFO L264 CegarLoopResult]: At program point L913-1(line 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:33,570 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 907 929) no Hoare annotation was computed. [2020-09-21 12:06:33,570 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 866 889) no Hoare annotation was computed. [2020-09-21 12:06:33,570 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 866 889) no Hoare annotation was computed. [2020-09-21 12:06:33,570 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 866 889) no Hoare annotation was computed. [2020-09-21 12:06:33,571 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-09-21 12:06:33,571 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-09-21 12:06:33,571 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-09-21 12:06:33,571 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-09-21 12:06:33,571 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-09-21 12:06:33,571 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-09-21 12:06:33,571 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-09-21 12:06:33,572 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-09-21 12:06:33,572 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-09-21 12:06:33,572 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-09-21 12:06:33,572 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-21 12:06:33,572 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-21 12:06:33,572 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-21 12:06:33,572 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-21 12:06:33,573 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 754 768) no Hoare annotation was computed. [2020-09-21 12:06:33,573 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:33,573 INFO L268 CegarLoopResult]: For program point L758(lines 758 764) no Hoare annotation was computed. [2020-09-21 12:06:33,573 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 754 768) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:33,573 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 754 768) no Hoare annotation was computed. [2020-09-21 12:06:33,573 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 690 698) no Hoare annotation was computed. [2020-09-21 12:06:33,574 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 690 698) the Hoare annotation is: true [2020-09-21 12:06:33,574 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 690 698) no Hoare annotation was computed. [2020-09-21 12:06:33,574 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 735 753) the Hoare annotation is: true [2020-09-21 12:06:33,574 INFO L268 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-09-21 12:06:33,574 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-09-21 12:06:33,574 INFO L268 CegarLoopResult]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2020-09-21 12:06:33,574 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 735 753) no Hoare annotation was computed. [2020-09-21 12:06:33,575 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-09-21 12:06:33,575 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 735 753) no Hoare annotation was computed. [2020-09-21 12:06:33,575 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2020-09-21 12:06:33,575 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-09-21 12:06:33,575 INFO L268 CegarLoopResult]: For program point L729-1(line 729) no Hoare annotation was computed. [2020-09-21 12:06:33,575 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 699 734) no Hoare annotation was computed. [2020-09-21 12:06:33,575 INFO L268 CegarLoopResult]: For program point L718(lines 718 726) no Hoare annotation was computed. [2020-09-21 12:06:33,576 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2020-09-21 12:06:33,576 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 699 734) no Hoare annotation was computed. [2020-09-21 12:06:33,576 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 699 734) no Hoare annotation was computed. [2020-09-21 12:06:33,576 INFO L268 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-09-21 12:06:33,576 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 811 817) no Hoare annotation was computed. [2020-09-21 12:06:33,576 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 811 817) the Hoare annotation is: true [2020-09-21 12:06:33,576 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:06:33,577 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:06:33,577 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:06:33,577 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-09-21 12:06:33,577 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:06:33,577 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:06:33,577 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:06:33,577 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:06:33,577 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:06:33,578 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 897 906) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:33,578 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 897 906) no Hoare annotation was computed. [2020-09-21 12:06:33,578 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 897 906) no Hoare annotation was computed. [2020-09-21 12:06:33,578 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 679 689) the Hoare annotation is: true [2020-09-21 12:06:33,578 INFO L271 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: true [2020-09-21 12:06:33,578 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-09-21 12:06:33,578 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 679 689) no Hoare annotation was computed. [2020-09-21 12:06:33,579 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 679 689) no Hoare annotation was computed. [2020-09-21 12:06:33,579 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 671 678) the Hoare annotation is: true [2020-09-21 12:06:33,579 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 671 678) no Hoare annotation was computed. [2020-09-21 12:06:33,579 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 671 678) no Hoare annotation was computed. [2020-09-21 12:06:33,579 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 638 662) no Hoare annotation was computed. [2020-09-21 12:06:33,579 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 638 662) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:33,580 INFO L264 CegarLoopResult]: At program point L657(line 657) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:33,580 INFO L268 CegarLoopResult]: For program point L657-1(lines 638 662) no Hoare annotation was computed. [2020-09-21 12:06:33,580 INFO L264 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:33,580 INFO L264 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:33,580 INFO L268 CegarLoopResult]: For program point L646(lines 646 654) no Hoare annotation was computed. [2020-09-21 12:06:33,580 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:33,580 INFO L268 CegarLoopResult]: For program point L644-1(line 644) no Hoare annotation was computed. [2020-09-21 12:06:33,581 INFO L268 CegarLoopResult]: For program point L642(lines 642 659) no Hoare annotation was computed. [2020-09-21 12:06:33,581 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 604 610) no Hoare annotation was computed. [2020-09-21 12:06:33,581 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 604 610) the Hoare annotation is: true [2020-09-21 12:06:33,581 INFO L268 CegarLoopResult]: For program point L545(lines 545 558) no Hoare annotation was computed. [2020-09-21 12:06:33,581 INFO L264 CegarLoopResult]: At program point testENTRY(lines 505 570) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:33,581 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:33,581 INFO L268 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-09-21 12:06:33,582 INFO L268 CegarLoopResult]: For program point testFINAL(lines 505 570) no Hoare annotation was computed. [2020-09-21 12:06:33,582 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-09-21 12:06:33,582 INFO L264 CegarLoopResult]: At program point L560(lines 515 562) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:33,582 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:33,582 INFO L268 CegarLoopResult]: For program point L525(lines 525 531) no Hoare annotation was computed. [2020-09-21 12:06:33,582 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2020-09-21 12:06:33,582 INFO L268 CegarLoopResult]: For program point L517(lines 517 521) no Hoare annotation was computed. [2020-09-21 12:06:33,582 INFO L264 CegarLoopResult]: At program point L563(lines 514 564) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:33,583 INFO L264 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:33,583 INFO L268 CegarLoopResult]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-09-21 12:06:33,583 INFO L264 CegarLoopResult]: At program point L551-1(lines 545 558) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:33,583 INFO L268 CegarLoopResult]: For program point L516(lines 515 562) no Hoare annotation was computed. [2020-09-21 12:06:33,583 INFO L268 CegarLoopResult]: For program point testEXIT(lines 505 570) no Hoare annotation was computed. [2020-09-21 12:06:33,583 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:06:33,583 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:06:33,584 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:06:33,584 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-09-21 12:06:33,584 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:06:33,584 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:06:33,584 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-09-21 12:06:33,584 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-09-21 12:06:33,584 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-09-21 12:06:33,585 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-09-21 12:06:33,585 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-09-21 12:06:33,585 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-09-21 12:06:33,585 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-09-21 12:06:33,585 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-09-21 12:06:33,585 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-09-21 12:06:33,585 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:06:33,585 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 12:06:33,586 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 12:06:33,586 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 12:06:33,586 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-09-21 12:06:33,586 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:06:33,586 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-09-21 12:06:33,586 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:06:33,586 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-09-21 12:06:33,586 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:06:33,587 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-09-21 12:06:33,587 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-09-21 12:06:33,587 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:06:33,587 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-21 12:06:33,587 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-09-21 12:06:33,587 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 801 810) no Hoare annotation was computed. [2020-09-21 12:06:33,587 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 801 810) no Hoare annotation was computed. [2020-09-21 12:06:33,587 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 801 810) no Hoare annotation was computed. [2020-09-21 12:06:33,588 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:33,588 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#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~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#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)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#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~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)|) (= |#t~string63.offset| |old(#t~string63.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~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:06:33,588 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:33,588 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 663 670) no Hoare annotation was computed. [2020-09-21 12:06:33,588 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 663 670) no Hoare annotation was computed. [2020-09-21 12:06:33,588 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 663 670) no Hoare annotation was computed. [2020-09-21 12:06:33,589 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-09-21 12:06:33,589 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-09-21 12:06:33,589 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-09-21 12:06:33,589 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:33,589 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:06:33,589 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:33,589 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:06:33,590 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-09-21 12:06:33,590 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-09-21 12:06:33,590 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-09-21 12:06:33,590 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-09-21 12:06:33,590 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-09-21 12:06:33,590 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:33,590 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 580 603) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:33,591 INFO L264 CegarLoopResult]: At program point L591(lines 591 597) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:33,591 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 580 603) no Hoare annotation was computed. [2020-09-21 12:06:33,591 INFO L264 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:33,591 INFO L268 CegarLoopResult]: For program point L584(lines 583 602) no Hoare annotation was computed. [2020-09-21 12:06:33,591 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 580 603) no Hoare annotation was computed. [2020-09-21 12:06:33,591 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 836 865) no Hoare annotation was computed. [2020-09-21 12:06:33,591 INFO L271 CegarLoopResult]: At program point L861(lines 836 865) the Hoare annotation is: true [2020-09-21 12:06:33,592 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 836 865) the Hoare annotation is: true [2020-09-21 12:06:33,592 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-09-21 12:06:33,592 INFO L268 CegarLoopResult]: For program point L850(lines 850 854) no Hoare annotation was computed. [2020-09-21 12:06:33,592 INFO L271 CegarLoopResult]: At program point L850-1(lines 850 854) the Hoare annotation is: true [2020-09-21 12:06:33,592 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-09-21 12:06:33,592 INFO L271 CegarLoopResult]: At program point L846-2(lines 846 860) the Hoare annotation is: true [2020-09-21 12:06:33,592 INFO L271 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: true [2020-09-21 12:06:33,593 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-09-21 12:06:33,593 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-09-21 12:06:33,593 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-09-21 12:06:33,593 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-09-21 12:06:33,593 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 890 896) no Hoare annotation was computed. [2020-09-21 12:06:33,593 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 890 896) the Hoare annotation is: true [2020-09-21 12:06:33,593 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:33,594 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:06:33,594 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:06:33,594 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:33,594 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-09-21 12:06:33,594 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-09-21 12:06:33,594 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:06:33,594 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 931 938) no Hoare annotation was computed. [2020-09-21 12:06:33,595 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2020-09-21 12:06:33,595 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 931 938) the Hoare annotation is: true [2020-09-21 12:06:33,595 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 931 938) no Hoare annotation was computed. [2020-09-21 12:06:33,595 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 771 795) the Hoare annotation is: true [2020-09-21 12:06:33,595 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 771 795) no Hoare annotation was computed. [2020-09-21 12:06:33,595 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:06:33,596 INFO L268 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-09-21 12:06:33,596 INFO L271 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: true [2020-09-21 12:06:33,596 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-09-21 12:06:33,596 INFO L268 CegarLoopResult]: For program point L779(lines 779 792) no Hoare annotation was computed. [2020-09-21 12:06:33,596 INFO L268 CegarLoopResult]: For program point L779-1(lines 771 795) no Hoare annotation was computed. [2020-09-21 12:06:33,596 INFO L271 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: true [2020-09-21 12:06:33,596 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-09-21 12:06:33,597 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 612 636) no Hoare annotation was computed. [2020-09-21 12:06:33,597 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 612 636) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:33,597 INFO L264 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:33,597 INFO L268 CegarLoopResult]: For program point L631-1(lines 612 636) no Hoare annotation was computed. [2020-09-21 12:06:33,597 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:33,597 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:33,597 INFO L268 CegarLoopResult]: For program point L620(lines 620 628) no Hoare annotation was computed. [2020-09-21 12:06:33,598 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:33,598 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-09-21 12:06:33,598 INFO L268 CegarLoopResult]: For program point L616(lines 616 633) no Hoare annotation was computed. [2020-09-21 12:06:33,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:06:33 BoogieIcfgContainer [2020-09-21 12:06:33,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:06:33,620 INFO L168 Benchmark]: Toolchain (without parser) took 32616.10 ms. Allocated memory was 137.9 MB in the beginning and 595.6 MB in the end (delta: 457.7 MB). Free memory was 99.7 MB in the beginning and 161.0 MB in the end (delta: -61.3 MB). Peak memory consumption was 476.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:33,621 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:06:33,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.43 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.0 MB in the beginning and 167.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:33,622 INFO L168 Benchmark]: Boogie Preprocessor took 103.83 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:33,623 INFO L168 Benchmark]: RCFGBuilder took 1322.30 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 163.3 MB in the beginning and 193.4 MB in the end (delta: -30.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:33,624 INFO L168 Benchmark]: TraceAbstraction took 30465.86 ms. Allocated memory was 231.2 MB in the beginning and 595.6 MB in the end (delta: 364.4 MB). Free memory was 193.4 MB in the beginning and 161.0 MB in the end (delta: 32.4 MB). Peak memory consumption was 476.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:33,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.43 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.0 MB in the beginning and 167.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.83 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1322.30 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 163.3 MB in the beginning and 193.4 MB in the end (delta: -30.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30465.86 ms. Allocated memory was 231.2 MB in the beginning and 595.6 MB in the end (delta: 364.4 MB). Free memory was 193.4 MB in the beginning and 161.0 MB in the end (delta: 32.4 MB). Peak memory consumption was 476.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: 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: 514]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 430 SDtfs, 518 SDslu, 160 SDs, 0 SdLazy, 838 SolverSat, 299 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 305 PreInvPairs, 328 NumberOfFragments, 612 HoareAnnotationTreeSize, 305 FomulaSimplifications, 8422 FormulaSimplificationTreeSizeReduction, 8.7s HoareSimplificationTime, 59 FomulaSimplificationsInter, 8468 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 50652 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...