/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:38:59,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:38:59,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:38:59,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:38:59,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:38:59,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:38:59,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:38:59,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:38:59,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:38:59,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:38:59,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:38:59,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:38:59,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:38:59,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:38:59,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:38:59,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:38:59,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:38:59,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:38:59,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:38:59,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:38:59,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:38:59,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:38:59,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:38:59,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:38:59,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:38:59,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:38:59,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:38:59,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:38:59,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:38:59,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:38:59,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:38:59,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:38:59,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:38:59,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:38:59,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:38:59,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:38:59,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:38:59,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:38:59,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:38:59,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:38:59,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:38:59,488 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 [2020-10-28 16:38:59,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:38:59,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:38:59,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:38:59,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:38:59,554 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:38:59,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:38:59,556 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:38:59,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:38:59,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:38:59,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:38:59,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:38:59,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:38:59,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:38:59,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:38:59,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:38:59,559 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:38:59,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:38:59,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:38:59,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:38:59,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:38:59,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:38:59,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:38:59,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:38:59,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:38:59,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:38:59,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:38:59,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:38:59,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:38:59,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:38:59,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:38:59,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:39:00,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:39:00,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:39:00,007 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:39:00,008 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:39:00,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-10-28 16:39:00,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a7b2f74d/1506e5bc0825488397301a9b86a4c609/FLAG2ce9bc620 [2020-10-28 16:39:00,807 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:39:00,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-10-28 16:39:00,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a7b2f74d/1506e5bc0825488397301a9b86a4c609/FLAG2ce9bc620 [2020-10-28 16:39:01,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a7b2f74d/1506e5bc0825488397301a9b86a4c609 [2020-10-28 16:39:01,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:39:01,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:39:01,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:01,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:39:01,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:39:01,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:01" (1/1) ... [2020-10-28 16:39:01,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a3d440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01, skipping insertion in model container [2020-10-28 16:39:01,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:01" (1/1) ... [2020-10-28 16:39:01,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:39:01,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:39:01,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:01,587 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:39:01,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:01,715 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:39:01,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01 WrapperNode [2020-10-28 16:39:01,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:01,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:39:01,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:39:01,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:39:01,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01" (1/1) ... [2020-10-28 16:39:01,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01" (1/1) ... [2020-10-28 16:39:01,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01" (1/1) ... [2020-10-28 16:39:01,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01" (1/1) ... [2020-10-28 16:39:01,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01" (1/1) ... [2020-10-28 16:39:01,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01" (1/1) ... [2020-10-28 16:39:01,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01" (1/1) ... [2020-10-28 16:39:01,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:39:01,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:39:01,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:39:01,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:39:01,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:39:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:39:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:39:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:39:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:39:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:39:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:39:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-28 16:39:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:39:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:39:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:39:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:39:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:39:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:39:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:39:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:39:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:39:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:39:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:39:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:39:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:39:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:39:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:39:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:39:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:39:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:39:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:39:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:39:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:39:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:39:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:39:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:39:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:39:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:39:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:39:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:39:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:39:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:39:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:39:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:39:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:39:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:39:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:39:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:39:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:39:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:39:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:39:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:39:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:39:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:39:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:39:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:39:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:39:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:39:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:39:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-28 16:39:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:39:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:39:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:39:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:39:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:39:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:39:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:39:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:39:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:39:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:39:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:39:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:39:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:39:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:39:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:39:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:39:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:39:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:39:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:39:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:39:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:39:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:39:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:39:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:39:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:39:03,272 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:39:03,272 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:39:03,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:03 BoogieIcfgContainer [2020-10-28 16:39:03,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:39:03,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:39:03,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:39:03,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:39:03,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:39:01" (1/3) ... [2020-10-28 16:39:03,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1d32c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:03, skipping insertion in model container [2020-10-28 16:39:03,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:01" (2/3) ... [2020-10-28 16:39:03,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1d32c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:03, skipping insertion in model container [2020-10-28 16:39:03,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:03" (3/3) ... [2020-10-28 16:39:03,285 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-10-28 16:39:03,298 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:39:03,304 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:39:03,319 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:39:03,373 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:39:03,373 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:39:03,373 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:39:03,373 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:39:03,374 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:39:03,374 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:39:03,374 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:39:03,374 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:39:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2020-10-28 16:39:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:39:03,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:03,408 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] [2020-10-28 16:39:03,409 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:39:03,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:03,421 INFO L82 PathProgramCache]: Analyzing trace with hash 562436580, now seen corresponding path program 1 times [2020-10-28 16:39:03,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:03,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283123871] [2020-10-28 16:39:03,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:03,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:04,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:04,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:05,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:06,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:08,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:08,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:39:08,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:39:08,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:08,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:39:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:08,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:39:09,222 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:09,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:09,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:09,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:09,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:09,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 16:39:09,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:09,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:09,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:09,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:09,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:09,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:09,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:09,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:09,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:09,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:09,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:09,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:09,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:09,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:09,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:09,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:09,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:09,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:09,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:09,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:09,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:09,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:09,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:09,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:09,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:09,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:09,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:09,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:09,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:09,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:09,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:09,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:09,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:09,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:09,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:09,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:09,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:39:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:09,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:09,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:09,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:09,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:09,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:09,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:09,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:09,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:09,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:09,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:09,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:09,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:09,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:09,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:09,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:39:09,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283123871] [2020-10-28 16:39:09,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:09,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:39:09,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025734420] [2020-10-28 16:39:09,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:39:09,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:09,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:39:09,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:09,397 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 3 states. [2020-10-28 16:39:10,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:10,711 INFO L93 Difference]: Finished difference Result 233 states and 309 transitions. [2020-10-28 16:39:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:39:10,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:39:10,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:10,728 INFO L225 Difference]: With dead ends: 233 [2020-10-28 16:39:10,728 INFO L226 Difference]: Without dead ends: 126 [2020-10-28 16:39:10,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:10,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-28 16:39:10,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 95. [2020-10-28 16:39:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-28 16:39:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-10-28 16:39:10,821 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-10-28 16:39:10,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:10,822 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-10-28 16:39:10,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:39:10,822 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-10-28 16:39:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:39:10,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:10,826 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] [2020-10-28 16:39:10,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:39:10,827 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:39:10,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:10,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1762738063, now seen corresponding path program 1 times [2020-10-28 16:39:10,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:10,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428881745] [2020-10-28 16:39:10,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:10,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:10,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:11,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:13,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:15,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:15,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:39:15,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:15,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 16:39:15,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:15,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:39:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:39:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:16,339 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:16,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:16,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:16,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:16,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:16,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:16,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 16:39:16,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:16,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:16,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:16,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:16,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:39:16,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:16,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:16,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:16,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:16,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:16,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:16,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:16,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:16,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:16,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:16,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:16,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:16,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:16,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:16,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:16,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:16,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:39:16,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:16,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:16,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:16,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:16,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:16,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:16,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:16,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:16,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:16,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:16,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:16,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:16,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:16,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:16,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:16,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:16,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:16,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:39:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:16,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:16,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:16,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:16,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:16,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:39:16,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:16,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:16,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:16,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:16,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:16,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:16,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:39:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:16,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:16,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:16,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:16,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:16,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:39:16,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:16,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:16,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:39:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:39:16,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428881745] [2020-10-28 16:39:16,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:16,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:39:16,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938019272] [2020-10-28 16:39:16,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:39:16,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:16,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:39:16,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:39:16,554 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 4 states. [2020-10-28 16:39:17,227 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:17,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:17,963 INFO L93 Difference]: Finished difference Result 150 states and 182 transitions. [2020-10-28 16:39:17,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:17,965 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:39:17,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:17,969 INFO L225 Difference]: With dead ends: 150 [2020-10-28 16:39:17,970 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 16:39:17,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:17,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 16:39:18,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 86. [2020-10-28 16:39:18,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-28 16:39:18,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2020-10-28 16:39:18,052 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 48 [2020-10-28 16:39:18,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:18,052 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2020-10-28 16:39:18,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:39:18,053 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2020-10-28 16:39:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:39:18,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:18,064 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] [2020-10-28 16:39:18,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:39:18,064 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:39:18,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:18,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1834489702, now seen corresponding path program 1 times [2020-10-28 16:39:18,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:18,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67367897] [2020-10-28 16:39:18,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:18,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:18,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:18,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:20,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:20,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:39:20,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2034 [2020-10-28 16:39:20,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:20,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:39:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:39:20,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:20,554 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:20,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:20,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:20,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:20,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:20,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:20,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-28 16:39:20,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:20,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:20,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:20,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:20,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:39:20,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:20,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:20,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:20,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:20,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:20,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:20,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:20,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:20,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:20,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:20,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:20,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:20,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:20,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:20,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:20,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:20,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:20,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:20,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:20,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:20,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:20,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:20,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:20,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:20,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:20,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:20,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:20,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:20,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:20,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:20,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:39:20,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:20,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:20,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:20,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:20,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:20,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:20,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:20,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:20,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:20,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:20,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:20,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:39:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:20,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:20,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:20,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:20,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:20,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:20,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:39:20,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67367897] [2020-10-28 16:39:20,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:20,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:39:20,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867335080] [2020-10-28 16:39:20,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:39:20,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:20,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:39:20,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:20,748 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 5 states. [2020-10-28 16:39:21,228 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:39:22,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:22,605 INFO L93 Difference]: Finished difference Result 242 states and 295 transitions. [2020-10-28 16:39:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:22,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:39:22,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:22,610 INFO L225 Difference]: With dead ends: 242 [2020-10-28 16:39:22,610 INFO L226 Difference]: Without dead ends: 180 [2020-10-28 16:39:22,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:39:22,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-28 16:39:22,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 131. [2020-10-28 16:39:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-28 16:39:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2020-10-28 16:39:22,673 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 53 [2020-10-28 16:39:22,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:22,673 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2020-10-28 16:39:22,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:39:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2020-10-28 16:39:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-28 16:39:22,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:22,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:39:22,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:39:22,675 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:39:22,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:22,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1882500549, now seen corresponding path program 1 times [2020-10-28 16:39:22,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:22,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458093709] [2020-10-28 16:39:22,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:22,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:23,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:23,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 16:39:25,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:39:25,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2549 [2020-10-28 16:39:25,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:39:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:39:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 16:39:25,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,637 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:25,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:25,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:39:25,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:25,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:25,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:25,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:25,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:25,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:39:25,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:25,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:25,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:39:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:25,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:25,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:25,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 16:39:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:25,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:39:25,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:25,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:39:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:25,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:25,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:39:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:25,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:39:25,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458093709] [2020-10-28 16:39:25,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:25,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:39:25,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267327565] [2020-10-28 16:39:25,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:39:25,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:25,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:39:25,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:39:25,789 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2020-10-28 16:39:26,262 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:39:27,393 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:39:27,842 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:39:28,255 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:39:28,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:28,426 INFO L93 Difference]: Finished difference Result 244 states and 300 transitions. [2020-10-28 16:39:28,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 16:39:28,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2020-10-28 16:39:28,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:28,430 INFO L225 Difference]: With dead ends: 244 [2020-10-28 16:39:28,430 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:39:28,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:39:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:39:28,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:39:28,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:39:28,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:39:28,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-28 16:39:28,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:28,435 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:39:28,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:39:28,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:39:28,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:39:28,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:39:28,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:39:28,594 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 6 [2020-10-28 16:39:30,563 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-10-28 16:39:30,818 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:39:31,081 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:39:31,362 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:39:31,806 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-10-28 16:39:32,102 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:39:32,351 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:39:32,625 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:39:32,878 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 8 [2020-10-28 16:39:33,211 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:33,466 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:39:33,730 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:39:34,234 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 8 [2020-10-28 16:39:34,492 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:39:34,764 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:39:35,258 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 8 [2020-10-28 16:39:35,503 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:39:35,772 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:39:36,301 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 8 [2020-10-28 16:39:36,599 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:39:36,869 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 11 [2020-10-28 16:39:37,159 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:39:37,178 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:39:37,178 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:39:37,178 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:39:37,178 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point L510-1(lines 510 514) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point L504-2(lines 504 525) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 479 534) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point L526(lines 503 527) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 479 534) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 479 534) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point L567-1(lines 567 571) no Hoare annotation was computed. [2020-10-28 16:39:37,179 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 535 594) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point L561-2(lines 561 586) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 535 594) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point L587(lines 560 588) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 535 594) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 384 390) the Hoare annotation is: true [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 384 390) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 391 399) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 391 399) the Hoare annotation is: true [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 391 399) no Hoare annotation was computed. [2020-10-28 16:39:37,180 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 865 887) 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))) [2020-10-28 16:39:37,180 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 865 887) no Hoare annotation was computed. [2020-10-28 16:39:37,181 INFO L270 CegarLoopResult]: At program point L877(line 877) 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))) [2020-10-28 16:39:37,181 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 865 887) no Hoare annotation was computed. [2020-10-28 16:39:37,181 INFO L270 CegarLoopResult]: At program point L877-1(line 877) 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))) [2020-10-28 16:39:37,181 INFO L274 CegarLoopResult]: For program point L875(lines 875 882) no Hoare annotation was computed. [2020-10-28 16:39:37,181 INFO L274 CegarLoopResult]: For program point L875-1(lines 875 882) no Hoare annotation was computed. [2020-10-28 16:39:37,181 INFO L274 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-10-28 16:39:37,181 INFO L270 CegarLoopResult]: At program point L872(line 872) 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))) [2020-10-28 16:39:37,181 INFO L270 CegarLoopResult]: At program point L871(line 871) 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))) [2020-10-28 16:39:37,181 INFO L270 CegarLoopResult]: At program point L871-1(line 871) 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))) [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 824 847) no Hoare annotation was computed. [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 824 847) no Hoare annotation was computed. [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 824 847) no Hoare annotation was computed. [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-10-28 16:39:37,182 INFO L274 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-10-28 16:39:37,183 INFO L274 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-10-28 16:39:37,183 INFO L274 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-10-28 16:39:37,183 INFO L274 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-10-28 16:39:37,183 INFO L274 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-10-28 16:39:37,183 INFO L274 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-10-28 16:39:37,183 INFO L274 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-10-28 16:39:37,183 INFO L274 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-10-28 16:39:37,183 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 249 263) no Hoare annotation was computed. [2020-10-28 16:39:37,183 INFO L270 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-28 16:39:37,183 INFO L274 CegarLoopResult]: For program point L253(lines 253 259) no Hoare annotation was computed. [2020-10-28 16:39:37,184 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 249 263) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:37,184 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 249 263) no Hoare annotation was computed. [2020-10-28 16:39:37,184 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 159 166) no Hoare annotation was computed. [2020-10-28 16:39:37,184 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 159 166) no Hoare annotation was computed. [2020-10-28 16:39:37,184 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 159 166) no Hoare annotation was computed. [2020-10-28 16:39:37,184 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 204 212) no Hoare annotation was computed. [2020-10-28 16:39:37,184 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 204 212) the Hoare annotation is: true [2020-10-28 16:39:37,184 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 204 212) no Hoare annotation was computed. [2020-10-28 16:39:37,184 INFO L274 CegarLoopResult]: For program point L220(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:39:37,184 INFO L274 CegarLoopResult]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:39:37,185 INFO L274 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-10-28 16:39:37,185 INFO L274 CegarLoopResult]: For program point L243-1(line 243) no Hoare annotation was computed. [2020-10-28 16:39:37,185 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 213 248) no Hoare annotation was computed. [2020-10-28 16:39:37,185 INFO L274 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-10-28 16:39:37,185 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 213 248) no Hoare annotation was computed. [2020-10-28 16:39:37,185 INFO L274 CegarLoopResult]: For program point L232-2(lines 232 240) no Hoare annotation was computed. [2020-10-28 16:39:37,185 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 213 248) no Hoare annotation was computed. [2020-10-28 16:39:37,185 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 377 383) no Hoare annotation was computed. [2020-10-28 16:39:37,185 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 377 383) the Hoare annotation is: true [2020-10-28 16:39:37,185 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 433 478) no Hoare annotation was computed. [2020-10-28 16:39:37,186 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 433 478) no Hoare annotation was computed. [2020-10-28 16:39:37,186 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 433 478) no Hoare annotation was computed. [2020-10-28 16:39:37,186 INFO L274 CegarLoopResult]: For program point L766(lines 766 773) no Hoare annotation was computed. [2020-10-28 16:39:37,186 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 746 791) no Hoare annotation was computed. [2020-10-28 16:39:37,186 INFO L274 CegarLoopResult]: For program point L760(lines 760 780) no Hoare annotation was computed. [2020-10-28 16:39:37,186 INFO L274 CegarLoopResult]: For program point L760-1(lines 760 780) no Hoare annotation was computed. [2020-10-28 16:39:37,186 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 770 771) no Hoare annotation was computed. [2020-10-28 16:39:37,186 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 777 778) no Hoare annotation was computed. [2020-10-28 16:39:37,186 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 746 791) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point L777(lines 777 778) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 746 791) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point L770(lines 770 771) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 855 864) 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))) [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 855 864) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 855 864) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 193 203) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 193 203) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 193 203) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 16:39:37,187 INFO L274 CegarLoopResult]: For program point L198-1(line 198) no Hoare annotation was computed. [2020-10-28 16:39:37,188 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 185 192) the Hoare annotation is: true [2020-10-28 16:39:37,188 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2020-10-28 16:39:37,188 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 185 192) no Hoare annotation was computed. [2020-10-28 16:39:37,188 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 152 158) no Hoare annotation was computed. [2020-10-28 16:39:37,188 INFO L277 CegarLoopResult]: At program point processEnvironmentFINAL(lines 152 158) the Hoare annotation is: true [2020-10-28 16:39:37,188 INFO L270 CegarLoopResult]: At program point testENTRY(lines 48 115) 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))) [2020-10-28 16:39:37,188 INFO L274 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-10-28 16:39:37,188 INFO L274 CegarLoopResult]: For program point testFINAL(lines 48 115) no Hoare annotation was computed. [2020-10-28 16:39:37,188 INFO L270 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:39:37,189 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,189 INFO L274 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-10-28 16:39:37,189 INFO L270 CegarLoopResult]: At program point L96-1(lines 88 103) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,189 INFO L274 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-10-28 16:39:37,189 INFO L270 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,189 INFO L274 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-10-28 16:39:37,189 INFO L270 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,189 INFO L274 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-10-28 16:39:37,190 INFO L274 CegarLoopResult]: For program point L78-1(lines 78 84) no Hoare annotation was computed. [2020-10-28 16:39:37,190 INFO L270 CegarLoopResult]: At program point L105(lines 58 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,190 INFO L270 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,190 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-10-28 16:39:37,190 INFO L274 CegarLoopResult]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2020-10-28 16:39:37,190 INFO L274 CegarLoopResult]: For program point testEXIT(lines 48 115) no Hoare annotation was computed. [2020-10-28 16:39:37,190 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 724 725) no Hoare annotation was computed. [2020-10-28 16:39:37,190 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 731 732) no Hoare annotation was computed. [2020-10-28 16:39:37,190 INFO L274 CegarLoopResult]: For program point L731(lines 731 732) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 700 745) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 700 745) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point L724(lines 724 725) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 700 745) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point L720(lines 720 727) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point L714(lines 714 734) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point L714-1(lines 714 734) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 330 352) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 330 352) no Hoare annotation was computed. [2020-10-28 16:39:37,191 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 330 352) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point L338(lines 338 346) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 367 376) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 367 376) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 367 376) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 597 699) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point L667(lines 645 668) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point L626(lines 626 642) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point L686(lines 686 693) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point L647(lines 646 666) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-10-28 16:39:37,192 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 597 699) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point L678-1(line 678) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point L643(lines 643 684) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 597 699) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point L621(lines 621 625) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point L685(lines 685 696) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point L648(lines 648 652) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point L646-2(lines 646 666) no Hoare annotation was computed. [2020-10-28 16:39:37,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:37,194 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:39:37,194 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:37,194 INFO L274 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-10-28 16:39:37,194 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-28 16:39:37,194 INFO L274 CegarLoopResult]: For program point L173-1(line 173) no Hoare annotation was computed. [2020-10-28 16:39:37,194 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 168 184) no Hoare annotation was computed. [2020-10-28 16:39:37,194 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 168 184) no Hoare annotation was computed. [2020-10-28 16:39:37,194 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-28 16:39:37,195 INFO L274 CegarLoopResult]: For program point L179-1(lines 168 184) no Hoare annotation was computed. [2020-10-28 16:39:37,195 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 353 361) no Hoare annotation was computed. [2020-10-28 16:39:37,195 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 353 361) no Hoare annotation was computed. [2020-10-28 16:39:37,195 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 353 361) no Hoare annotation was computed. [2020-10-28 16:39:37,195 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 309 320) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:39:37,195 INFO L274 CegarLoopResult]: For program point L313-1(lines 309 320) no Hoare annotation was computed. [2020-10-28 16:39:37,195 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 309 320) no Hoare annotation was computed. [2020-10-28 16:39:37,195 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:37,195 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:39:37,195 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:37,196 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,196 INFO L270 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,196 INFO L270 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,196 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2020-10-28 16:39:37,196 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2020-10-28 16:39:37,196 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-28 16:39:37,196 INFO L274 CegarLoopResult]: For program point L132(lines 131 150) no Hoare annotation was computed. [2020-10-28 16:39:37,196 INFO L277 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: true [2020-10-28 16:39:37,196 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2020-10-28 16:39:37,197 INFO L274 CegarLoopResult]: For program point L800-1(line 800) no Hoare annotation was computed. [2020-10-28 16:39:37,197 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2020-10-28 16:39:37,197 INFO L277 CegarLoopResult]: At program point L819(lines 794 823) the Hoare annotation is: true [2020-10-28 16:39:37,197 INFO L274 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-10-28 16:39:37,197 INFO L274 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-10-28 16:39:37,197 INFO L277 CegarLoopResult]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2020-10-28 16:39:37,197 INFO L274 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-28 16:39:37,197 INFO L277 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2020-10-28 16:39:37,197 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 321 329) the Hoare annotation is: true [2020-10-28 16:39:37,197 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 321 329) no Hoare annotation was computed. [2020-10-28 16:39:37,198 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 321 329) no Hoare annotation was computed. [2020-10-28 16:39:37,198 INFO L274 CegarLoopResult]: For program point L289-1(lines 285 296) no Hoare annotation was computed. [2020-10-28 16:39:37,198 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 285 296) the Hoare annotation is: true [2020-10-28 16:39:37,198 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 285 296) no Hoare annotation was computed. [2020-10-28 16:39:37,198 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 848 854) no Hoare annotation was computed. [2020-10-28 16:39:37,198 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 848 854) the Hoare annotation is: true [2020-10-28 16:39:37,198 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:37,198 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-28 16:39:37,198 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:39:37,198 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:37,199 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 264 271) no Hoare annotation was computed. [2020-10-28 16:39:37,199 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 264 271) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,199 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 264 271) no Hoare annotation was computed. [2020-10-28 16:39:37,199 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 297 308) no Hoare annotation was computed. [2020-10-28 16:39:37,199 INFO L274 CegarLoopResult]: For program point L301-1(lines 297 308) no Hoare annotation was computed. [2020-10-28 16:39:37,199 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 297 308) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:39:37,199 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 273 280) no Hoare annotation was computed. [2020-10-28 16:39:37,199 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 273 280) the Hoare annotation is: true [2020-10-28 16:39:37,199 INFO L274 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-10-28 16:39:37,199 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 273 280) no Hoare annotation was computed. [2020-10-28 16:39:37,200 INFO L270 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-28 16:39:37,200 INFO L274 CegarLoopResult]: For program point L413(lines 413 419) no Hoare annotation was computed. [2020-10-28 16:39:37,200 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 401 425) the Hoare annotation is: true [2020-10-28 16:39:37,200 INFO L277 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: true [2020-10-28 16:39:37,200 INFO L274 CegarLoopResult]: For program point L411-1(line 411) no Hoare annotation was computed. [2020-10-28 16:39:37,200 INFO L274 CegarLoopResult]: For program point L409(lines 409 422) no Hoare annotation was computed. [2020-10-28 16:39:37,200 INFO L274 CegarLoopResult]: For program point L409-1(lines 401 425) no Hoare annotation was computed. [2020-10-28 16:39:37,200 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 401 425) no Hoare annotation was computed. [2020-10-28 16:39:37,200 INFO L277 CegarLoopResult]: At program point L407(line 407) the Hoare annotation is: true [2020-10-28 16:39:37,200 INFO L274 CegarLoopResult]: For program point L407-1(line 407) no Hoare annotation was computed. [2020-10-28 16:39:37,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:39:37 BoogieIcfgContainer [2020-10-28 16:39:37,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:39:37,220 INFO L168 Benchmark]: Toolchain (without parser) took 36076.71 ms. Allocated memory was 151.0 MB in the beginning and 562.0 MB in the end (delta: 411.0 MB). Free memory was 125.5 MB in the beginning and 262.9 MB in the end (delta: -137.4 MB). Peak memory consumption was 336.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:37,221 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:39:37,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.42 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 104.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:37,223 INFO L168 Benchmark]: Boogie Preprocessor took 133.18 ms. Allocated memory is still 151.0 MB. Free memory was 104.8 MB in the beginning and 101.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:37,223 INFO L168 Benchmark]: RCFGBuilder took 1423.52 ms. Allocated memory is still 151.0 MB. Free memory was 101.0 MB in the beginning and 51.3 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:37,224 INFO L168 Benchmark]: TraceAbstraction took 33941.34 ms. Allocated memory was 151.0 MB in the beginning and 562.0 MB in the end (delta: 411.0 MB). Free memory was 50.8 MB in the beginning and 262.9 MB in the end (delta: -212.1 MB). Peak memory consumption was 262.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:37,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 564.42 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 104.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 133.18 ms. Allocated memory is still 151.0 MB. Free memory was 104.8 MB in the beginning and 101.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1423.52 ms. Allocated memory is still 151.0 MB. Free memory was 101.0 MB in the beginning and 51.3 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33941.34 ms. Allocated memory was 151.0 MB in the beginning and 562.0 MB in the end (delta: 411.0 MB). Free memory was 50.8 MB in the beginning and 262.9 MB in the end (delta: -212.1 MB). Peak memory consumption was 262.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 731]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 724]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 770]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 777]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 223 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 332 SDtfs, 441 SDslu, 145 SDs, 0 SdLazy, 630 SolverSat, 276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 104 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 170 PreInvPairs, 194 NumberOfFragments, 582 HoareAnnotationTreeSize, 170 FomulaSimplifications, 12894 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 47 FomulaSimplificationsInter, 7506 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 54692 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...