/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_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:13:13,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:13:13,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:13:13,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:13:13,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:13:13,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:13:13,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:13:13,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:13:13,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:13:13,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:13:13,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:13:13,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:13:13,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:13:13,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:13:13,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:13:13,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:13:13,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:13:13,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:13:13,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:13:13,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:13:13,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:13:13,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:13:13,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:13:13,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:13:13,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:13:13,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:13:13,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:13:13,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:13:13,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:13:13,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:13:14,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:13:14,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:13:14,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:13:14,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:13:14,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:13:14,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:13:14,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:13:14,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:13:14,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:13:14,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:13:14,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:13:14,007 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 12:13:14,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:13:14,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:13:14,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:13:14,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:13:14,034 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:13:14,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:13:14,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:13:14,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:13:14,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:13:14,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:13:14,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:13:14,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:13:14,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:13:14,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:13:14,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:13:14,036 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:13:14,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:13:14,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:13:14,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:13:14,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:13:14,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:13:14,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:14,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:13:14,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:13:14,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:13:14,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:13:14,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:13:14,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:13:14,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:13:14,039 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 12:13:14,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:13:14,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:13:14,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:13:14,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:13:14,537 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:13:14,539 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-21 12:13:14,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de4c1d4f2/c69762ecd25a45208ba519e9f97e00d6/FLAGd67450da5 [2020-09-21 12:13:15,266 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:13:15,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-21 12:13:15,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de4c1d4f2/c69762ecd25a45208ba519e9f97e00d6/FLAGd67450da5 [2020-09-21 12:13:15,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de4c1d4f2/c69762ecd25a45208ba519e9f97e00d6 [2020-09-21 12:13:15,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:13:15,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:13:15,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:15,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:13:15,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:13:15,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:15" (1/1) ... [2020-09-21 12:13:15,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:15, skipping insertion in model container [2020-09-21 12:13:15,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:15" (1/1) ... [2020-09-21 12:13:15,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:13:15,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:13:15,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:16,158 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:13:16,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:16,290 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:13:16,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16 WrapperNode [2020-09-21 12:13:16,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:16,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:13:16,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:13:16,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:13:16,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:13:16,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:13:16,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:13:16,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:13:16,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (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 12:13:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:13:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:13:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:13:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:13:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:13:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:13:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:13:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:13:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:13:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:13:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:13:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:13:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:13:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:13:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:13:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:13:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:13:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:13:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:13:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:13:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:13:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:13:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:13:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:13:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:13:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:13:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:13:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:13:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:13:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:13:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:13:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:13:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:13:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:13:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:13:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:13:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:13:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:13:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:13:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:13:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:13:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:13:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:13:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:13:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:13:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:13:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:13:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:13:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:13:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:13:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:13:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:13:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:13:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:13:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:13:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:13:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:13:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:13:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:13:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:13:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:13:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:13:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:13:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:13:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:13:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:13:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:13:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:13:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:13:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:13:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:13:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:13:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:13:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:13:17,609 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:13:17,610 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:13:17,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:17 BoogieIcfgContainer [2020-09-21 12:13:17,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:13:17,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:13:17,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:13:17,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:13:17,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:13:15" (1/3) ... [2020-09-21 12:13:17,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd785c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:17, skipping insertion in model container [2020-09-21 12:13:17,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (2/3) ... [2020-09-21 12:13:17,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd785c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:17, skipping insertion in model container [2020-09-21 12:13:17,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:17" (3/3) ... [2020-09-21 12:13:17,632 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-09-21 12:13:17,644 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:13:17,655 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:13:17,679 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:13:17,712 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:13:17,712 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:13:17,712 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:13:17,713 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:13:17,713 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:13:17,713 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:13:17,713 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:13:17,713 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:13:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-09-21 12:13:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:13:17,750 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:17,751 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 12:13:17,752 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:17,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:17,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1645653850, now seen corresponding path program 1 times [2020-09-21 12:13:17,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:17,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106907359] [2020-09-21 12:13:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:18,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:18,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:13:19,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:19,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:13:19,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:13:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:13:19,756 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:19,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:19,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-21 12:13:19,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:19,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:19,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:19,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:19,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:19,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:19,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:19,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:19,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:19,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:19,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:19,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:19,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:19,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:13:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:20,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:20,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:20,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:20,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:13:20,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:20,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:20,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:20,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:20,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:20,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:20,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:20,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:20,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:20,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:20,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:20,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:20,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:20,042 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 12:13:20,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106907359] [2020-09-21 12:13:20,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:20,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:13:20,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227135084] [2020-09-21 12:13:20,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:13:20,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:20,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:13:20,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:20,080 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 3 states. [2020-09-21 12:13:21,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:21,097 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2020-09-21 12:13:21,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:13:21,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:13:21,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:21,119 INFO L225 Difference]: With dead ends: 219 [2020-09-21 12:13:21,119 INFO L226 Difference]: Without dead ends: 120 [2020-09-21 12:13:21,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:21,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-09-21 12:13:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2020-09-21 12:13:21,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-21 12:13:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-09-21 12:13:21,215 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-09-21 12:13:21,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:21,216 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-09-21 12:13:21,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:13:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-09-21 12:13:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:13:21,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:21,220 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 12:13:21,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:13:21,221 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:21,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:21,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1821384666, now seen corresponding path program 1 times [2020-09-21 12:13:21,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:21,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672272653] [2020-09-21 12:13:21,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:21,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:13:22,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1305 [2020-09-21 12:13:22,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:13:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:22,904 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:22,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:22,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:23,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:23,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-21 12:13:23,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:23,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:23,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:23,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:23,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:23,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:23,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:23,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:23,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:23,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:23,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:23,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:23,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:23,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:23,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:23,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:23,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:23,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:23,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:23,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:23,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:23,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:23,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:23,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:23,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:23,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:23,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:23,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:13:23,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:23,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:13:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:23,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:23,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:23,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:23,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:23,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:23,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:13:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:23,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:23,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:23,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:23,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:23,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:23,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:23,096 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 12:13:23,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672272653] [2020-09-21 12:13:23,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:23,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:23,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276575592] [2020-09-21 12:13:23,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:23,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:23,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:23,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:23,101 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2020-09-21 12:13:23,726 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:24,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:24,303 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2020-09-21 12:13:24,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:24,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:13:24,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:24,306 INFO L225 Difference]: With dead ends: 143 [2020-09-21 12:13:24,306 INFO L226 Difference]: Without dead ends: 104 [2020-09-21 12:13:24,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:24,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-21 12:13:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2020-09-21 12:13:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 12:13:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-09-21 12:13:24,340 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-09-21 12:13:24,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:24,340 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-09-21 12:13:24,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-09-21 12:13:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:13:24,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:24,343 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 12:13:24,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:13:24,343 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:24,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:24,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1519246168, now seen corresponding path program 1 times [2020-09-21 12:13:24,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:24,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765547036] [2020-09-21 12:13:24,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:13:25,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:25,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:13:25,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:13:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:13:25,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,724 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:25,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 12:13:25,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:25,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:25,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:25,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:25,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:25,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:25,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:25,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:25,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:25,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:25,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:13:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:25,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:25,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:13:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:25,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,943 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 12:13:25,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765547036] [2020-09-21 12:13:25,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:25,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:25,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941510706] [2020-09-21 12:13:25,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:25,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:25,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:25,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:25,946 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 4 states. [2020-09-21 12:13:26,263 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:27,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:27,241 INFO L93 Difference]: Finished difference Result 226 states and 278 transitions. [2020-09-21 12:13:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:27,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:13:27,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:27,245 INFO L225 Difference]: With dead ends: 226 [2020-09-21 12:13:27,245 INFO L226 Difference]: Without dead ends: 169 [2020-09-21 12:13:27,246 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 12:13:27,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-09-21 12:13:27,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 126. [2020-09-21 12:13:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-21 12:13:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-09-21 12:13:27,290 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 51 [2020-09-21 12:13:27,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:27,291 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-09-21 12:13:27,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-09-21 12:13:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 12:13:27,293 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:27,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:27,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:13:27,293 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:27,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:27,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1651463691, now seen corresponding path program 1 times [2020-09-21 12:13:27,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:27,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449366621] [2020-09-21 12:13:27,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:27,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:27,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:13:28,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1245 [2020-09-21 12:13:28,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:13:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-21 12:13:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 12:13:28,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,891 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:28,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:13:28,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:13:28,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:13:28,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:28,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:13:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:29,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:29,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:29,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:29,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:29,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:29,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:13:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:29,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:29,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:29,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:29,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:29,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:29,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:29,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 12:13:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:29,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:29,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:29,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:29,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:13:29,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:13:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:29,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:29,041 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 12:13:29,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449366621] [2020-09-21 12:13:29,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:29,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:13:29,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585992434] [2020-09-21 12:13:29,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:13:29,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:29,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:13:29,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:13:29,043 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 7 states. [2020-09-21 12:13:29,598 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:30,493 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:30,844 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:31,133 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:31,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:31,276 INFO L93 Difference]: Finished difference Result 234 states and 289 transitions. [2020-09-21 12:13:31,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:13:31,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 12:13:31,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:31,284 INFO L225 Difference]: With dead ends: 234 [2020-09-21 12:13:31,284 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:13:31,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:13:31,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:13:31,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:13:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:13:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:13:31,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-09-21 12:13:31,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:31,292 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:13:31,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:13:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:13:31,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:13:31,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:13:31,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:13:31,494 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:31,834 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:31,991 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:32,323 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:32,481 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,635 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,787 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,899 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:13:33,054 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:33,212 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:33,370 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:33,524 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:33,682 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:33,842 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:33,996 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:34,151 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:34,263 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:13:34,422 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:34,570 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:34,725 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:34,872 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:35,025 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:35,128 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:13:35,276 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:35,426 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:35,571 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:35,727 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:35,877 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:36,021 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:36,266 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:36,415 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:36,564 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:36,714 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:36,864 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:37,025 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:37,174 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:37,319 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:37,628 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:37,773 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:38,080 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:38,233 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:38,516 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:38,795 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:38,945 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:39,092 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:39,352 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:13:39,568 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:39,933 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-21 12:13:40,160 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:40,375 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:40,619 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:40,828 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:41,052 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:41,326 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:41,540 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:41,728 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:42,142 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:13:42,331 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:42,543 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:42,928 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:13:43,139 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:43,348 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:43,750 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:13:44,082 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-21 12:13:44,287 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:44,482 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-09-21 12:13:44,675 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:44,691 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:13:44,691 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-09-21 12:13:44,691 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-09-21 12:13:44,691 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-09-21 12:13:44,691 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-09-21 12:13:44,692 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-09-21 12:13:44,692 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-09-21 12:13:44,692 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-09-21 12:13:44,692 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-09-21 12:13:44,692 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-09-21 12:13:44,692 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:13:44,692 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-09-21 12:13:44,693 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-09-21 12:13:44,693 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-09-21 12:13:44,693 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-09-21 12:13:44,693 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:13:44,693 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-09-21 12:13:44,693 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-09-21 12:13:44,694 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2020-09-21 12:13:44,694 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2020-09-21 12:13:44,694 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2020-09-21 12:13:44,695 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2020-09-21 12:13:44,695 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2020-09-21 12:13:44,695 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2020-09-21 12:13:44,695 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2020-09-21 12:13:44,695 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:13:44,696 INFO L268 CegarLoopResult]: For program point L748(lines 748 754) no Hoare annotation was computed. [2020-09-21 12:13:44,696 INFO L271 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: true [2020-09-21 12:13:44,696 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-09-21 12:13:44,696 INFO L268 CegarLoopResult]: For program point L744(lines 744 757) no Hoare annotation was computed. [2020-09-21 12:13:44,696 INFO L268 CegarLoopResult]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2020-09-21 12:13:44,696 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-09-21 12:13:44,696 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-09-21 12:13:44,697 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 834 856) 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 12:13:44,697 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2020-09-21 12:13:44,697 INFO L264 CegarLoopResult]: At program point L846(line 846) 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 12:13:44,697 INFO L264 CegarLoopResult]: At program point L846-1(line 846) 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 12:13:44,697 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2020-09-21 12:13:44,697 INFO L268 CegarLoopResult]: For program point L844(lines 844 851) no Hoare annotation was computed. [2020-09-21 12:13:44,697 INFO L268 CegarLoopResult]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2020-09-21 12:13:44,698 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-09-21 12:13:44,698 INFO L264 CegarLoopResult]: At program point L841(line 841) 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 12:13:44,698 INFO L264 CegarLoopResult]: At program point L840(line 840) 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 12:13:44,698 INFO L264 CegarLoopResult]: At program point L840-1(line 840) 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 12:13:44,698 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-09-21 12:13:44,699 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-09-21 12:13:44,699 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-09-21 12:13:44,699 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-09-21 12:13:44,699 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-09-21 12:13:44,699 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-09-21 12:13:44,699 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-09-21 12:13:44,699 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-09-21 12:13:44,699 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-09-21 12:13:44,700 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-09-21 12:13:44,700 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-09-21 12:13:44,700 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-09-21 12:13:44,700 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-09-21 12:13:44,700 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-09-21 12:13:44,700 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-09-21 12:13:44,700 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-09-21 12:13:44,700 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-09-21 12:13:44,700 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2020-09-21 12:13:44,701 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:13:44,701 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:13:44,701 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2020-09-21 12:13:44,701 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-09-21 12:13:44,701 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2020-09-21 12:13:44,701 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2020-09-21 12:13:44,701 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2020-09-21 12:13:44,702 INFO L268 CegarLoopResult]: For program point L610-2(lines 610 618) no Hoare annotation was computed. [2020-09-21 12:13:44,702 INFO L268 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-09-21 12:13:44,702 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-09-21 12:13:44,702 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 603 638) no Hoare annotation was computed. [2020-09-21 12:13:44,702 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-09-21 12:13:44,702 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-09-21 12:13:44,702 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 603 638) no Hoare annotation was computed. [2020-09-21 12:13:44,702 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 603 638) no Hoare annotation was computed. [2020-09-21 12:13:44,702 INFO L268 CegarLoopResult]: For program point L610(lines 610 618) no Hoare annotation was computed. [2020-09-21 12:13:44,703 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2020-09-21 12:13:44,703 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2020-09-21 12:13:44,703 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-09-21 12:13:44,703 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-09-21 12:13:44,703 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-09-21 12:13:44,703 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-09-21 12:13:44,703 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-09-21 12:13:44,703 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:13:44,703 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:13:44,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:13:44,704 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-09-21 12:13:44,704 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 824 833) 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 12:13:44,704 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2020-09-21 12:13:44,704 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2020-09-21 12:13:44,704 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 583 593) no Hoare annotation was computed. [2020-09-21 12:13:44,704 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 12:13:44,704 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-09-21 12:13:44,704 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 583 593) no Hoare annotation was computed. [2020-09-21 12:13:44,705 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 583 593) no Hoare annotation was computed. [2020-09-21 12:13:44,705 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2020-09-21 12:13:44,705 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2020-09-21 12:13:44,705 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2020-09-21 12:13:44,705 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2020-09-21 12:13:44,705 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2020-09-21 12:13:44,705 INFO L264 CegarLoopResult]: At program point testENTRY(lines 458 523) 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 12:13:44,705 INFO L264 CegarLoopResult]: At program point L506(line 506) 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 12:13:44,705 INFO L268 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-09-21 12:13:44,706 INFO L264 CegarLoopResult]: At program point L504-1(lines 498 511) 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 12:13:44,706 INFO L268 CegarLoopResult]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2020-09-21 12:13:44,706 INFO L268 CegarLoopResult]: For program point L469(lines 468 515) no Hoare annotation was computed. [2020-09-21 12:13:44,706 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-09-21 12:13:44,706 INFO L264 CegarLoopResult]: At program point L490(line 490) 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 12:13:44,706 INFO L268 CegarLoopResult]: For program point L488(lines 488 494) no Hoare annotation was computed. [2020-09-21 12:13:44,706 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2020-09-21 12:13:44,706 INFO L264 CegarLoopResult]: At program point L513(lines 468 515) 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 12:13:44,706 INFO L264 CegarLoopResult]: At program point L480(line 480) 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 12:13:44,707 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L264 CegarLoopResult]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-09-21 12:13:44,707 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 703 725) no Hoare annotation was computed. [2020-09-21 12:13:44,708 INFO L268 CegarLoopResult]: For program point L711(lines 711 719) no Hoare annotation was computed. [2020-09-21 12:13:44,708 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 703 725) no Hoare annotation was computed. [2020-09-21 12:13:44,708 INFO L268 CegarLoopResult]: For program point L711-2(lines 711 719) no Hoare annotation was computed. [2020-09-21 12:13:44,708 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 703 725) no Hoare annotation was computed. [2020-09-21 12:13:44,708 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-09-21 12:13:44,708 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-09-21 12:13:44,708 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-09-21 12:13:44,708 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-09-21 12:13:44,709 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-09-21 12:13:44,709 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-21 12:13:44,709 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-09-21 12:13:44,709 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-09-21 12:13:44,709 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-09-21 12:13:44,709 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-21 12:13:44,709 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-09-21 12:13:44,709 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-09-21 12:13:44,710 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-09-21 12:13:44,710 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-09-21 12:13:44,710 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-09-21 12:13:44,710 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-09-21 12:13:44,710 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 419 428) no Hoare annotation was computed. [2020-09-21 12:13:44,710 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 419 428) no Hoare annotation was computed. [2020-09-21 12:13:44,710 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2020-09-21 12:13:44,710 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,711 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.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~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:13:44,711 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,711 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 567 574) no Hoare annotation was computed. [2020-09-21 12:13:44,711 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 567 574) no Hoare annotation was computed. [2020-09-21 12:13:44,711 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 567 574) no Hoare annotation was computed. [2020-09-21 12:13:44,712 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2020-09-21 12:13:44,712 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2020-09-21 12:13:44,712 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2020-09-21 12:13:44,712 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,712 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,712 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,712 INFO L268 CegarLoopResult]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2020-09-21 12:13:44,712 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:13:44,712 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2020-09-21 12:13:44,713 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:13:44,713 INFO L268 CegarLoopResult]: For program point L540(lines 539 558) no Hoare annotation was computed. [2020-09-21 12:13:44,713 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,713 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2020-09-21 12:13:44,713 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2020-09-21 12:13:44,713 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,713 INFO L264 CegarLoopResult]: At program point L547(lines 547 553) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,713 INFO L271 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: true [2020-09-21 12:13:44,714 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-09-21 12:13:44,714 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-09-21 12:13:44,714 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2020-09-21 12:13:44,714 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-09-21 12:13:44,714 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-09-21 12:13:44,714 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-09-21 12:13:44,714 INFO L271 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2020-09-21 12:13:44,715 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-09-21 12:13:44,715 INFO L271 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2020-09-21 12:13:44,715 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 694 702) no Hoare annotation was computed. [2020-09-21 12:13:44,715 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 694 702) no Hoare annotation was computed. [2020-09-21 12:13:44,715 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 694 702) no Hoare annotation was computed. [2020-09-21 12:13:44,715 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2020-09-21 12:13:44,715 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2020-09-21 12:13:44,715 INFO L268 CegarLoopResult]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2020-09-21 12:13:44,715 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-09-21 12:13:44,716 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-09-21 12:13:44,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,716 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:13:44,716 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:13:44,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,716 INFO L268 CegarLoopResult]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2020-09-21 12:13:44,716 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2020-09-21 12:13:44,716 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,717 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:13:44,717 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 12:13:44,717 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 12:13:44,717 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:13:44,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:13:44 BoogieIcfgContainer [2020-09-21 12:13:44,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:13:44,738 INFO L168 Benchmark]: Toolchain (without parser) took 29238.61 ms. Allocated memory was 140.0 MB in the beginning and 490.2 MB in the end (delta: 350.2 MB). Free memory was 102.5 MB in the beginning and 158.7 MB in the end (delta: -56.2 MB). Peak memory consumption was 335.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,739 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.53 ms. Allocated memory was 140.0 MB in the beginning and 206.6 MB in the end (delta: 66.6 MB). Free memory was 101.8 MB in the beginning and 176.7 MB in the end (delta: -74.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,740 INFO L168 Benchmark]: Boogie Preprocessor took 116.14 ms. Allocated memory is still 206.6 MB. Free memory was 176.7 MB in the beginning and 172.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,741 INFO L168 Benchmark]: RCFGBuilder took 1212.02 ms. Allocated memory was 206.6 MB in the beginning and 233.3 MB in the end (delta: 26.7 MB). Free memory was 172.7 MB in the beginning and 200.4 MB in the end (delta: -27.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,742 INFO L168 Benchmark]: TraceAbstraction took 27112.64 ms. Allocated memory was 233.3 MB in the beginning and 490.2 MB in the end (delta: 256.9 MB). Free memory was 199.1 MB in the beginning and 158.7 MB in the end (delta: 40.3 MB). Peak memory consumption was 338.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,746 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.53 ms. Allocated memory was 140.0 MB in the beginning and 206.6 MB in the end (delta: 66.6 MB). Free memory was 101.8 MB in the beginning and 176.7 MB in the end (delta: -74.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.14 ms. Allocated memory is still 206.6 MB. Free memory was 176.7 MB in the beginning and 172.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.02 ms. Allocated memory was 206.6 MB in the beginning and 233.3 MB in the end (delta: 26.7 MB). Free memory was 172.7 MB in the beginning and 200.4 MB in the end (delta: -27.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27112.64 ms. Allocated memory was 233.3 MB in the beginning and 490.2 MB in the end (delta: 256.9 MB). Free memory was 199.1 MB in the beginning and 158.7 MB in the end (delta: 40.3 MB). Peak memory consumption was 338.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 305 SDtfs, 366 SDslu, 129 SDs, 0 SdLazy, 601 SolverSat, 197 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 96 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 160 PreInvPairs, 182 NumberOfFragments, 539 HoareAnnotationTreeSize, 160 FomulaSimplifications, 9321 FormulaSimplificationTreeSizeReduction, 8.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 6674 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 49232 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...