/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_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:05:53,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:05:53,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:05:53,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:05:53,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:05:53,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:05:53,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:05:53,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:05:53,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:05:53,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:05:53,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:05:53,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:05:53,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:05:53,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:05:53,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:05:53,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:05:53,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:05:53,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:05:53,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:05:53,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:05:53,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:05:53,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:05:53,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:05:53,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:05:53,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:05:53,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:05:53,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:05:53,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:05:53,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:05:53,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:05:53,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:05:53,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:05:53,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:05:53,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:05:53,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:05:53,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:05:53,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:05:53,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:05:53,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:05:53,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:05:53,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:05:53,595 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 17:05:53,642 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:05:53,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:05:53,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:05:53,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:05:53,644 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:05:53,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:05:53,645 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:05:53,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:05:53,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:05:53,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:05:53,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:05:53,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:05:53,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:05:53,646 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:05:53,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:05:53,647 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:05:53,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:05:53,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:05:53,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:05:53,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:05:53,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:05:53,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:05:53,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:05:53,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:05:53,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:05:53,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:05:53,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:05:53,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:05:53,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:05:53,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:05:54,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:05:54,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:05:54,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:05:54,072 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:05:54,072 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:05:54,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2020-10-28 17:05:54,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5a524fbb/defc6fdea0714211b041c3680778957d/FLAG84a312e5e [2020-10-28 17:05:54,941 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:05:54,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2020-10-28 17:05:54,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5a524fbb/defc6fdea0714211b041c3680778957d/FLAG84a312e5e [2020-10-28 17:05:55,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5a524fbb/defc6fdea0714211b041c3680778957d [2020-10-28 17:05:55,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:05:55,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:05:55,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:55,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:05:55,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:05:55,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:55" (1/1) ... [2020-10-28 17:05:55,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ba50e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55, skipping insertion in model container [2020-10-28 17:05:55,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:55" (1/1) ... [2020-10-28 17:05:55,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:05:55,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:05:55,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:55,657 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:05:55,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:55,805 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:05:55,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55 WrapperNode [2020-10-28 17:05:55,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:55,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:05:55,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:05:55,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:05:55,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55" (1/1) ... [2020-10-28 17:05:55,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55" (1/1) ... [2020-10-28 17:05:55,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55" (1/1) ... [2020-10-28 17:05:55,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55" (1/1) ... [2020-10-28 17:05:55,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55" (1/1) ... [2020-10-28 17:05:55,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55" (1/1) ... [2020-10-28 17:05:55,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55" (1/1) ... [2020-10-28 17:05:55,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:05:55,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:05:55,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:05:55,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:05:55,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55" (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 17:05:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:05:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:05:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:05:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:05:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:05:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:05:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:05:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:05:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:05:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:05:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:05:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:05:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:05:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:05:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:05:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:05:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:05:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:05:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:05:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:05:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:05:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:05:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 17:05:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:05:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:05:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:05:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:05:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:05:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:05:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:05:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:05:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 17:05:56,037 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:05:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:05:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:05:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:05:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:05:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:05:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:05:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:05:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:05:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:05:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:05:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:05:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:05:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:05:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:05:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:05:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:05:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:05:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:05:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:05:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:05:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:05:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:05:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:05:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:05:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:05:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:05:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:05:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:05:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:05:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:05:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:05:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:05:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:05:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:05:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:05:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:05:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:05:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 17:05:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:05:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:05:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:05:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:05:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 17:05:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:05:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:05:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:05:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:05:57,306 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:05:57,306 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:05:57,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:05:57 BoogieIcfgContainer [2020-10-28 17:05:57,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:05:57,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:05:57,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:05:57,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:05:57,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:05:55" (1/3) ... [2020-10-28 17:05:57,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e490cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:05:57, skipping insertion in model container [2020-10-28 17:05:57,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:55" (2/3) ... [2020-10-28 17:05:57,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e490cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:05:57, skipping insertion in model container [2020-10-28 17:05:57,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:05:57" (3/3) ... [2020-10-28 17:05:57,326 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2020-10-28 17:05:57,340 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:05:57,347 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:05:57,362 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:05:57,409 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:05:57,409 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:05:57,409 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:05:57,410 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:05:57,410 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:05:57,410 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:05:57,411 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:05:57,411 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:05:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-10-28 17:05:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:05:57,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:57,458 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:05:57,459 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 17:05:57,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:57,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1795734199, now seen corresponding path program 1 times [2020-10-28 17:05:57,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:57,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552984243] [2020-10-28 17:05:57,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:57,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:57,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:58,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:58,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:01,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:01,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:06:01,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4209 [2020-10-28 17:06:02,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:06:02,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-28 17:06:02,472 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:02,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:02,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 17:06:02,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:02,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:02,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:02,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:02,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:02,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:02,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:02,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:02,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:02,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:02,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:02,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:02,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:02,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:02,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:02,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:02,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:02,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:06:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:02,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:06:02,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:02,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:02,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:02,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:02,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:06:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:02,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:06:02,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 17:06:02,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:02,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:02,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:02,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:02,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:02,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:02,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:02,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:06:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:02,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552984243] [2020-10-28 17:06:02,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:02,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:06:02,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102290312] [2020-10-28 17:06:02,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:06:02,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:02,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:06:02,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:02,768 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-10-28 17:06:03,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:03,946 INFO L93 Difference]: Finished difference Result 258 states and 334 transitions. [2020-10-28 17:06:03,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:06:03,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:06:03,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:03,961 INFO L225 Difference]: With dead ends: 258 [2020-10-28 17:06:03,962 INFO L226 Difference]: Without dead ends: 141 [2020-10-28 17:06:03,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:03,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-28 17:06:04,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 115. [2020-10-28 17:06:04,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 17:06:04,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-10-28 17:06:04,053 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 60 [2020-10-28 17:06:04,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:04,054 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-10-28 17:06:04,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:06:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-10-28 17:06:04,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 17:06:04,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:04,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:04,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:06:04,058 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 17:06:04,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:04,059 INFO L82 PathProgramCache]: Analyzing trace with hash -505141738, now seen corresponding path program 1 times [2020-10-28 17:06:04,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:04,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216430350] [2020-10-28 17:06:04,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:04,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:04,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:04,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-28 17:06:07,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:07,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3029 [2020-10-28 17:06:07,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 17:06:07,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,487 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:07,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-28 17:06:07,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:07,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:06:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:07,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:07,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:07,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:07,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:07,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:07,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:07,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:07,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:07,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:07,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:07,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:07,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:07,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:07,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:07,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:07,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:06:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:07,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:07,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:07,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:06:07,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:07,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:06:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:07,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:06:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:07,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:07,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216430350] [2020-10-28 17:06:07,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:07,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:07,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904059840] [2020-10-28 17:06:07,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:07,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:07,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:07,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:07,740 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 5 states. [2020-10-28 17:06:08,185 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:06:08,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:08,893 INFO L93 Difference]: Finished difference Result 228 states and 285 transitions. [2020-10-28 17:06:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:06:08,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-10-28 17:06:08,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:08,897 INFO L225 Difference]: With dead ends: 228 [2020-10-28 17:06:08,897 INFO L226 Difference]: Without dead ends: 141 [2020-10-28 17:06:08,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:08,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-28 17:06:08,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 115. [2020-10-28 17:06:08,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 17:06:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2020-10-28 17:06:08,950 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 65 [2020-10-28 17:06:08,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:08,950 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2020-10-28 17:06:08,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2020-10-28 17:06:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-28 17:06:08,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:08,953 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:08,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:06:08,953 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 17:06:08,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:08,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1937026074, now seen corresponding path program 1 times [2020-10-28 17:06:08,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:08,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490334249] [2020-10-28 17:06:08,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:09,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:09,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:09,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:09,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:10,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 17:06:14,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:14,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 17:06:14,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:06:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:06:14,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,373 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:14,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 17:06:14,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:14,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:14,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:14,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:14,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:14,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:14,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:06:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:14,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:14,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:06:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:14,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:14,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:06:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:14,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:14,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 17:06:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:14,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 17:06:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:14,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490334249] [2020-10-28 17:06:14,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:14,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:06:14,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758316145] [2020-10-28 17:06:14,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:06:14,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:14,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:06:14,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:06:14,511 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 6 states. [2020-10-28 17:06:15,165 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:16,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:16,104 INFO L93 Difference]: Finished difference Result 215 states and 268 transitions. [2020-10-28 17:06:16,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:06:16,105 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-10-28 17:06:16,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:16,108 INFO L225 Difference]: With dead ends: 215 [2020-10-28 17:06:16,108 INFO L226 Difference]: Without dead ends: 146 [2020-10-28 17:06:16,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:06:16,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-28 17:06:16,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 106. [2020-10-28 17:06:16,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-28 17:06:16,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-10-28 17:06:16,163 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 69 [2020-10-28 17:06:16,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:16,164 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-10-28 17:06:16,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:06:16,164 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-10-28 17:06:16,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-28 17:06:16,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:16,166 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:16,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:06:16,166 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 17:06:16,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:16,167 INFO L82 PathProgramCache]: Analyzing trace with hash -2023561293, now seen corresponding path program 1 times [2020-10-28 17:06:16,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:16,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68029245] [2020-10-28 17:06:16,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:16,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:16,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:16,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:18,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:18,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 17:06:18,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2416 [2020-10-28 17:06:18,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:18,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:06:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 17:06:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 17:06:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,017 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:19,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:19,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 17:06:19,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:19,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:19,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:19,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:19,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:19,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:19,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:19,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:19,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:19,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:19,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:19,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:19,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:19,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:19,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:19,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:06:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:19,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:19,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:19,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:19,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:06:19,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:19,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:19,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 17:06:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:19,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:06:19,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:06:19,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:19,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:06:19,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:06:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:19,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:19,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:19,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 17:06:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:19,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:06:19,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 17:06:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:19,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:19,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:06:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:19,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:06:19,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68029245] [2020-10-28 17:06:19,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:19,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:06:19,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872101913] [2020-10-28 17:06:19,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:06:19,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:19,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:06:19,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:06:19,279 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 9 states. [2020-10-28 17:06:19,818 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:20,523 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:06:21,243 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:06:21,577 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 17:06:21,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:21,662 INFO L93 Difference]: Finished difference Result 180 states and 224 transitions. [2020-10-28 17:06:21,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:06:21,663 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 73 [2020-10-28 17:06:21,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:21,663 INFO L225 Difference]: With dead ends: 180 [2020-10-28 17:06:21,664 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:06:21,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:06:21,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:06:21,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:06:21,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:06:21,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:06:21,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-10-28 17:06:21,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:21,671 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:06:21,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:06:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:06:21,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:06:21,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:06:21,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:06:22,936 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 13 [2020-10-28 17:06:23,128 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-10-28 17:06:23,326 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-10-28 17:06:23,603 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:23,809 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-28 17:06:24,043 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 14 [2020-10-28 17:06:24,294 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-10-28 17:06:24,482 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-10-28 17:06:24,685 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 14 [2020-10-28 17:06:24,914 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 14 [2020-10-28 17:06:25,167 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-10-28 17:06:25,395 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 14 [2020-10-28 17:06:25,637 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-10-28 17:06:25,843 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-10-28 17:06:26,049 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-10-28 17:06:26,248 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 13 [2020-10-28 17:06:26,350 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:06:26,350 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:06:26,350 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:06:26,350 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:06:26,351 INFO L274 CegarLoopResult]: For program point L225-2(lines 225 246) no Hoare annotation was computed. [2020-10-28 17:06:26,351 INFO L274 CegarLoopResult]: For program point L247(lines 224 248) no Hoare annotation was computed. [2020-10-28 17:06:26,351 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 200 255) no Hoare annotation was computed. [2020-10-28 17:06:26,351 INFO L274 CegarLoopResult]: For program point L231(lines 231 235) no Hoare annotation was computed. [2020-10-28 17:06:26,351 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 200 255) no Hoare annotation was computed. [2020-10-28 17:06:26,352 INFO L274 CegarLoopResult]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2020-10-28 17:06:26,352 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 200 255) no Hoare annotation was computed. [2020-10-28 17:06:26,352 INFO L274 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-10-28 17:06:26,352 INFO L274 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-10-28 17:06:26,352 INFO L274 CegarLoopResult]: For program point L288-1(lines 288 292) no Hoare annotation was computed. [2020-10-28 17:06:26,352 INFO L274 CegarLoopResult]: For program point L283(line 283) no Hoare annotation was computed. [2020-10-28 17:06:26,352 INFO L274 CegarLoopResult]: For program point L282-2(lines 282 307) no Hoare annotation was computed. [2020-10-28 17:06:26,352 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 256 315) no Hoare annotation was computed. [2020-10-28 17:06:26,353 INFO L274 CegarLoopResult]: For program point L308(lines 281 309) no Hoare annotation was computed. [2020-10-28 17:06:26,353 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 256 315) no Hoare annotation was computed. [2020-10-28 17:06:26,353 INFO L274 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-10-28 17:06:26,353 INFO L274 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-10-28 17:06:26,353 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 256 315) no Hoare annotation was computed. [2020-10-28 17:06:26,353 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 541 547) the Hoare annotation is: true [2020-10-28 17:06:26,353 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 541 547) no Hoare annotation was computed. [2020-10-28 17:06:26,353 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 548 556) no Hoare annotation was computed. [2020-10-28 17:06:26,353 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 548 556) the Hoare annotation is: true [2020-10-28 17:06:26,353 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 548 556) no Hoare annotation was computed. [2020-10-28 17:06:26,354 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 561 568) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,354 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 561 568) no Hoare annotation was computed. [2020-10-28 17:06:26,354 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 561 568) no Hoare annotation was computed. [2020-10-28 17:06:26,354 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 569 578) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,354 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 17:06:26,354 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 569 578) no Hoare annotation was computed. [2020-10-28 17:06:26,354 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 569 578) no Hoare annotation was computed. [2020-10-28 17:06:26,354 INFO L270 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-10-28 17:06:26,354 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 579 607) the Hoare annotation is: true [2020-10-28 17:06:26,355 INFO L274 CegarLoopResult]: For program point L592(lines 592 598) no Hoare annotation was computed. [2020-10-28 17:06:26,355 INFO L274 CegarLoopResult]: For program point L591(lines 591 601) no Hoare annotation was computed. [2020-10-28 17:06:26,355 INFO L277 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: true [2020-10-28 17:06:26,355 INFO L274 CegarLoopResult]: For program point L589-1(line 589) no Hoare annotation was computed. [2020-10-28 17:06:26,355 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 579 607) no Hoare annotation was computed. [2020-10-28 17:06:26,355 INFO L274 CegarLoopResult]: For program point L587(lines 587 604) no Hoare annotation was computed. [2020-10-28 17:06:26,355 INFO L274 CegarLoopResult]: For program point L587-1(lines 579 607) no Hoare annotation was computed. [2020-10-28 17:06:26,355 INFO L277 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: true [2020-10-28 17:06:26,355 INFO L274 CegarLoopResult]: For program point L585-1(line 585) no Hoare annotation was computed. [2020-10-28 17:06:26,355 INFO L270 CegarLoopResult]: At program point L130-1(line 130) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:06:26,356 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 124 146) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:06:26,356 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 124 146) no Hoare annotation was computed. [2020-10-28 17:06:26,356 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 124 146) no Hoare annotation was computed. [2020-10-28 17:06:26,356 INFO L270 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:06:26,356 INFO L270 CegarLoopResult]: At program point L136-1(line 136) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:06:26,356 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-10-28 17:06:26,356 INFO L274 CegarLoopResult]: For program point L134-1(lines 134 141) no Hoare annotation was computed. [2020-10-28 17:06:26,356 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 17:06:26,356 INFO L270 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:06:26,357 INFO L270 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:06:26,357 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-28 17:06:26,357 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 17:06:26,357 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-28 17:06:26,357 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 17:06:26,357 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-28 17:06:26,357 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 17:06:26,357 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-28 17:06:26,357 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-28 17:06:26,357 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 794 802) no Hoare annotation was computed. [2020-10-28 17:06:26,358 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 794 802) the Hoare annotation is: true [2020-10-28 17:06:26,358 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 794 802) no Hoare annotation was computed. [2020-10-28 17:06:26,359 INFO L274 CegarLoopResult]: For program point L848(lines 848 852) no Hoare annotation was computed. [2020-10-28 17:06:26,359 INFO L277 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: true [2020-10-28 17:06:26,359 INFO L274 CegarLoopResult]: For program point L848-2(lines 848 852) no Hoare annotation was computed. [2020-10-28 17:06:26,359 INFO L274 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-10-28 17:06:26,359 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 839 857) the Hoare annotation is: true [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 839 857) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 839 857) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point L833-1(line 833) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 803 838) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point L810(lines 810 818) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point L810-2(lines 810 818) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 803 838) no Hoare annotation was computed. [2020-10-28 17:06:26,360 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 803 838) no Hoare annotation was computed. [2020-10-28 17:06:26,361 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 534 540) no Hoare annotation was computed. [2020-10-28 17:06:26,361 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 534 540) the Hoare annotation is: true [2020-10-28 17:06:26,361 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 154 199) no Hoare annotation was computed. [2020-10-28 17:06:26,361 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 154 199) no Hoare annotation was computed. [2020-10-28 17:06:26,361 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 154 199) no Hoare annotation was computed. [2020-10-28 17:06:26,361 INFO L274 CegarLoopResult]: For program point L481(lines 481 501) no Hoare annotation was computed. [2020-10-28 17:06:26,361 INFO L274 CegarLoopResult]: For program point L481-1(lines 481 501) no Hoare annotation was computed. [2020-10-28 17:06:26,361 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 467 512) no Hoare annotation was computed. [2020-10-28 17:06:26,361 INFO L274 CegarLoopResult]: For program point L498(lines 498 499) no Hoare annotation was computed. [2020-10-28 17:06:26,362 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 491 492) no Hoare annotation was computed. [2020-10-28 17:06:26,362 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 498 499) no Hoare annotation was computed. [2020-10-28 17:06:26,362 INFO L274 CegarLoopResult]: For program point L491(lines 491 492) no Hoare annotation was computed. [2020-10-28 17:06:26,362 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 467 512) no Hoare annotation was computed. [2020-10-28 17:06:26,362 INFO L274 CegarLoopResult]: For program point L487(lines 487 494) no Hoare annotation was computed. [2020-10-28 17:06:26,362 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 467 512) no Hoare annotation was computed. [2020-10-28 17:06:26,362 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 110 120) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:06:26,362 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 110 120) no Hoare annotation was computed. [2020-10-28 17:06:26,363 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 110 120) no Hoare annotation was computed. [2020-10-28 17:06:26,363 INFO L270 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,363 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 783 793) no Hoare annotation was computed. [2020-10-28 17:06:26,363 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 783 793) no Hoare annotation was computed. [2020-10-28 17:06:26,363 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 783 793) no Hoare annotation was computed. [2020-10-28 17:06:26,363 INFO L274 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-10-28 17:06:26,363 INFO L274 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-10-28 17:06:26,363 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 775 782) the Hoare annotation is: true [2020-10-28 17:06:26,363 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 775 782) no Hoare annotation was computed. [2020-10-28 17:06:26,363 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 775 782) no Hoare annotation was computed. [2020-10-28 17:06:26,363 INFO L270 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:06:26,364 INFO L274 CegarLoopResult]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2020-10-28 17:06:26,364 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 742 766) no Hoare annotation was computed. [2020-10-28 17:06:26,364 INFO L270 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-10-28 17:06:26,364 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 742 766) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:06:26,364 INFO L270 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-10-28 17:06:26,364 INFO L274 CegarLoopResult]: For program point L750(lines 750 758) no Hoare annotation was computed. [2020-10-28 17:06:26,364 INFO L270 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-10-28 17:06:26,364 INFO L274 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-10-28 17:06:26,364 INFO L274 CegarLoopResult]: For program point L746(lines 746 763) no Hoare annotation was computed. [2020-10-28 17:06:26,365 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2020-10-28 17:06:26,365 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2020-10-28 17:06:26,365 INFO L270 CegarLoopResult]: At program point testENTRY(lines 859 922) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 17:06:26,365 INFO L274 CegarLoopResult]: For program point testFINAL(lines 859 922) no Hoare annotation was computed. [2020-10-28 17:06:26,365 INFO L270 CegarLoopResult]: At program point L915(lines 868 916) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-10-28 17:06:26,365 INFO L274 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2020-10-28 17:06:26,365 INFO L270 CegarLoopResult]: At program point L905-2(lines 899 910) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,365 INFO L274 CegarLoopResult]: For program point L870(lines 869 914) no Hoare annotation was computed. [2020-10-28 17:06:26,365 INFO L274 CegarLoopResult]: For program point L899(lines 899 910) no Hoare annotation was computed. [2020-10-28 17:06:26,366 INFO L270 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,366 INFO L274 CegarLoopResult]: For program point L889(lines 889 895) no Hoare annotation was computed. [2020-10-28 17:06:26,366 INFO L274 CegarLoopResult]: For program point L889-1(lines 889 895) no Hoare annotation was computed. [2020-10-28 17:06:26,366 INFO L270 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,366 INFO L270 CegarLoopResult]: At program point L912(lines 869 914) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,366 INFO L274 CegarLoopResult]: For program point L879(lines 879 885) no Hoare annotation was computed. [2020-10-28 17:06:26,366 INFO L274 CegarLoopResult]: For program point L879-1(lines 879 885) no Hoare annotation was computed. [2020-10-28 17:06:26,366 INFO L274 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2020-10-28 17:06:26,366 INFO L274 CegarLoopResult]: For program point testEXIT(lines 859 922) no Hoare annotation was computed. [2020-10-28 17:06:26,366 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 445 446) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point L445(lines 445 446) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 452 453) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 421 466) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point L441(lines 441 448) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 421 466) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point L435(lines 435 455) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point L435-1(lines 435 455) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 421 466) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point L452(lines 452 453) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 692 700) no Hoare annotation was computed. [2020-10-28 17:06:26,367 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 692 700) the Hoare annotation is: true [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 692 700) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point L668-2(lines 668 676) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 660 682) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 660 682) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 660 682) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 318 420) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point L347(lines 347 363) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point L407(lines 407 414) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point L368(lines 367 387) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-10-28 17:06:26,368 INFO L274 CegarLoopResult]: For program point L364(lines 364 405) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 318 420) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point L406(lines 406 417) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 318 420) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point L369(lines 369 373) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point L367-2(lines 367 387) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point L388(lines 366 389) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 524 533) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 524 533) no Hoare annotation was computed. [2020-10-28 17:06:26,369 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 524 533) no Hoare annotation was computed. [2020-10-28 17:06:26,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:26,370 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~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 17:06:26,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:26,370 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 767 774) no Hoare annotation was computed. [2020-10-28 17:06:26,370 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 767 774) no Hoare annotation was computed. [2020-10-28 17:06:26,370 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 767 774) no Hoare annotation was computed. [2020-10-28 17:06:26,370 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 683 691) the Hoare annotation is: true [2020-10-28 17:06:26,370 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 683 691) no Hoare annotation was computed. [2020-10-28 17:06:26,371 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 683 691) no Hoare annotation was computed. [2020-10-28 17:06:26,371 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 639 650) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 17:06:26,371 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 639 650) no Hoare annotation was computed. [2020-10-28 17:06:26,371 INFO L274 CegarLoopResult]: For program point L643-1(lines 639 650) no Hoare annotation was computed. [2020-10-28 17:06:26,371 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:26,371 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:06:26,371 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:26,371 INFO L270 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,371 INFO L270 CegarLoopResult]: At program point L721(lines 721 727) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,371 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 707 733) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 ~systemActive~0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:06:26,372 INFO L270 CegarLoopResult]: At program point L716(line 716) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-10-28 17:06:26,372 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 707 733) no Hoare annotation was computed. [2020-10-28 17:06:26,372 INFO L274 CegarLoopResult]: For program point L714(lines 710 732) no Hoare annotation was computed. [2020-10-28 17:06:26,372 INFO L274 CegarLoopResult]: For program point L712(lines 710 732) no Hoare annotation was computed. [2020-10-28 17:06:26,372 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 707 733) no Hoare annotation was computed. [2020-10-28 17:06:26,372 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 17:06:26,372 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-28 17:06:26,372 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-28 17:06:26,372 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-28 17:06:26,372 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-28 17:06:26,372 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-28 17:06:26,372 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-28 17:06:26,373 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-28 17:06:26,373 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-28 17:06:26,373 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-28 17:06:26,373 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 651 659) no Hoare annotation was computed. [2020-10-28 17:06:26,373 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 651 659) no Hoare annotation was computed. [2020-10-28 17:06:26,373 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 651 659) no Hoare annotation was computed. [2020-10-28 17:06:26,373 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 615 626) the Hoare annotation is: true [2020-10-28 17:06:26,373 INFO L274 CegarLoopResult]: For program point L619-1(lines 615 626) no Hoare annotation was computed. [2020-10-28 17:06:26,373 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 615 626) no Hoare annotation was computed. [2020-10-28 17:06:26,373 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-28 17:06:26,373 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-28 17:06:26,373 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:26,374 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 17:06:26,374 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:06:26,374 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:26,374 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 627 638) no Hoare annotation was computed. [2020-10-28 17:06:26,374 INFO L274 CegarLoopResult]: For program point L631-1(lines 627 638) no Hoare annotation was computed. [2020-10-28 17:06:26,374 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 627 638) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:26,374 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 514 521) no Hoare annotation was computed. [2020-10-28 17:06:26,374 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 514 521) the Hoare annotation is: true [2020-10-28 17:06:26,374 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-28 17:06:26,375 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 514 521) no Hoare annotation was computed. [2020-10-28 17:06:26,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:06:26 BoogieIcfgContainer [2020-10-28 17:06:26,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:06:26,392 INFO L168 Benchmark]: Toolchain (without parser) took 31229.54 ms. Allocated memory was 125.8 MB in the beginning and 662.7 MB in the end (delta: 536.9 MB). Free memory was 100.1 MB in the beginning and 315.2 MB in the end (delta: -215.1 MB). Peak memory consumption was 394.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:26,393 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 125.8 MB. Free memory is still 85.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:06:26,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.17 ms. Allocated memory is still 125.8 MB. Free memory was 99.4 MB in the beginning and 78.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:26,394 INFO L168 Benchmark]: Boogie Preprocessor took 110.18 ms. Allocated memory is still 125.8 MB. Free memory was 78.9 MB in the beginning and 75.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:26,396 INFO L168 Benchmark]: RCFGBuilder took 1393.17 ms. Allocated memory was 125.8 MB in the beginning and 165.7 MB in the end (delta: 39.8 MB). Free memory was 75.0 MB in the beginning and 110.9 MB in the end (delta: -35.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:26,398 INFO L168 Benchmark]: TraceAbstraction took 29074.10 ms. Allocated memory was 165.7 MB in the beginning and 662.7 MB in the end (delta: 497.0 MB). Free memory was 110.4 MB in the beginning and 315.2 MB in the end (delta: -204.8 MB). Peak memory consumption was 364.1 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:26,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 125.8 MB. Free memory is still 85.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 636.17 ms. Allocated memory is still 125.8 MB. Free memory was 99.4 MB in the beginning and 78.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.18 ms. Allocated memory is still 125.8 MB. Free memory was 78.9 MB in the beginning and 75.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1393.17 ms. Allocated memory was 125.8 MB in the beginning and 165.7 MB in the end (delta: 39.8 MB). Free memory was 75.0 MB in the beginning and 110.9 MB in the end (delta: -35.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 29074.10 ms. Allocated memory was 165.7 MB in the beginning and 662.7 MB in the end (delta: 497.0 MB). Free memory was 110.4 MB in the beginning and 315.2 MB in the end (delta: -204.8 MB). Peak memory consumption was 364.1 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: 452]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 445]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 491]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 498]: 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: 868]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) <= 0) || !(1 <= systemActive)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 385 SDtfs, 581 SDslu, 211 SDs, 0 SdLazy, 734 SolverSat, 348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 92 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 198 PreInvPairs, 216 NumberOfFragments, 795 HoareAnnotationTreeSize, 198 FomulaSimplifications, 10934 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 5380 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 82017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...