/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=DEEPEST --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_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:10:45,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:10:45,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:10:45,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:10:45,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:10:45,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:10:45,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:10:45,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:10:45,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:10:45,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:10:45,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:10:45,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:10:45,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:10:45,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:10:45,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:10:45,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:10:45,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:10:45,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:10:45,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:10:45,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:10:45,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:10:45,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:10:45,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:10:45,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:10:45,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:10:45,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:10:45,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:10:45,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:10:45,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:10:45,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:10:45,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:10:45,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:10:45,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:10:45,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:10:45,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:10:45,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:10:45,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:10:45,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:10:45,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:10:45,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:10:45,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:10:45,632 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 [2020-10-27 22:10:45,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:10:45,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:10:45,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:10:45,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:10:45,682 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:10:45,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:10:45,682 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:10:45,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:10:45,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:10:45,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:10:45,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:10:45,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:10:45,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:10:45,684 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:10:45,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:10:45,685 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:10:45,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:10:45,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:10:45,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:10:45,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:10:45,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:10:45,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:10:45,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:10:45,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:10:45,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:10:45,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:10:45,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:10:45,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:10:45,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:10:45,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:10:46,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:10:46,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:10:46,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:10:46,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:10:46,169 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:10:46,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product18.cil.c [2020-10-27 22:10:46,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/399977a11/33fc6269c50f47d198ad97db36021aa0/FLAG478afbc18 [2020-10-27 22:10:46,913 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:10:46,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product18.cil.c [2020-10-27 22:10:46,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/399977a11/33fc6269c50f47d198ad97db36021aa0/FLAG478afbc18 [2020-10-27 22:10:47,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/399977a11/33fc6269c50f47d198ad97db36021aa0 [2020-10-27 22:10:47,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:10:47,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:10:47,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:10:47,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:10:47,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:10:47,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:10:47" (1/1) ... [2020-10-27 22:10:47,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddde572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47, skipping insertion in model container [2020-10-27 22:10:47,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:10:47" (1/1) ... [2020-10-27 22:10:47,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:10:47,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:10:47,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:10:47,653 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:10:47,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:10:47,765 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:10:47,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47 WrapperNode [2020-10-27 22:10:47,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:10:47,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:10:47,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:10:47,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:10:47,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47" (1/1) ... [2020-10-27 22:10:47,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47" (1/1) ... [2020-10-27 22:10:47,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47" (1/1) ... [2020-10-27 22:10:47,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47" (1/1) ... [2020-10-27 22:10:47,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47" (1/1) ... [2020-10-27 22:10:47,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47" (1/1) ... [2020-10-27 22:10:47,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47" (1/1) ... [2020-10-27 22:10:47,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:10:47,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:10:47,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:10:47,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:10:47,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47" (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 [2020-10-27 22:10:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:10:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:10:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:10:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:10:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:10:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:10:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:10:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:10:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:10:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:10:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:10:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:10:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:10:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:10:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:10:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-27 22:10:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:10:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:10:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:10:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:10:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:10:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:10:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:10:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:10:47,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:10:47,957 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:10:47,957 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:10:47,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:10:47,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:10:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:10:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-27 22:10:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 22:10:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:10:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:10:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:10:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:10:47,959 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:10:47,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:10:47,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:10:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:10:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:10:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:10:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:10:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:10:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:10:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:10:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:10:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:10:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:10:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:10:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:10:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:10:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:10:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:10:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:10:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:10:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:10:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:10:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:10:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:10:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:10:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:10:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-27 22:10:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:10:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:10:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:10:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:10:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:10:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:10:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:10:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 22:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-27 22:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:10:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:10:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:10:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:10:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:10:49,431 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:10:49,432 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:10:49,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:10:49 BoogieIcfgContainer [2020-10-27 22:10:49,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:10:49,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:10:49,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:10:49,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:10:49,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:10:47" (1/3) ... [2020-10-27 22:10:49,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8299e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:10:49, skipping insertion in model container [2020-10-27 22:10:49,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:47" (2/3) ... [2020-10-27 22:10:49,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8299e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:10:49, skipping insertion in model container [2020-10-27 22:10:49,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:10:49" (3/3) ... [2020-10-27 22:10:49,446 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product18.cil.c [2020-10-27 22:10:49,460 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:10:49,465 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:10:49,479 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:10:49,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:10:49,536 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:10:49,536 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:10:49,536 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:10:49,536 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:10:49,536 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:10:49,536 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:10:49,537 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:10:49,559 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-27 22:10:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 22:10:49,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:49,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:10:49,571 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]=== [2020-10-27 22:10:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:49,577 INFO L82 PathProgramCache]: Analyzing trace with hash -405091087, now seen corresponding path program 1 times [2020-10-27 22:10:49,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:49,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875098668] [2020-10-27 22:10:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:49,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:50,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:50,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:52,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:52,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 22:10:52,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:10:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3096 [2020-10-27 22:10:52,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:52,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:10:52,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:52,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:10:53,680 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:10:53,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:10:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 22:10:53,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:10:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:53,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:53,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:10:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:53,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:53,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:10:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:53,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:10:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:53,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:53,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:10:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:10:53,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:53,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:10:53,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:10:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:53,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:10:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:53,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:10:53,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875098668] [2020-10-27 22:10:53,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:10:53,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:10:53,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461831227] [2020-10-27 22:10:53,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:10:53,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:10:53,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:10:53,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:10:53,894 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-10-27 22:10:55,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:10:55,692 INFO L93 Difference]: Finished difference Result 273 states and 357 transitions. [2020-10-27 22:10:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:10:55,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-27 22:10:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:10:55,712 INFO L225 Difference]: With dead ends: 273 [2020-10-27 22:10:55,713 INFO L226 Difference]: Without dead ends: 146 [2020-10-27 22:10:55,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:10:55,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-27 22:10:55,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2020-10-27 22:10:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-27 22:10:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2020-10-27 22:10:55,821 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 53 [2020-10-27 22:10:55,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:10:55,822 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2020-10-27 22:10:55,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:10:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2020-10-27 22:10:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 22:10:55,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:55,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:10:55,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:10:55,826 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]=== [2020-10-27 22:10:55,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:55,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1105020441, now seen corresponding path program 1 times [2020-10-27 22:10:55,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:55,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194004346] [2020-10-27 22:10:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:55,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:55,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:56,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:58,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:58,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:10:58,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:10:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2875 [2020-10-27 22:10:58,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:10:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:10:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:59,120 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:10:59,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:10:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:59,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:59,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:59,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:59,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:59,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:10:59,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:59,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:59,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:59,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:59,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:59,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:10:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:59,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:59,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:59,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:59,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:59,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:10:59,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:59,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:59,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:59,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:59,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:59,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:10:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:59,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:59,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:59,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:59,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:59,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:10:59,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:59,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:59,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:59,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:10:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:59,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:59,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:59,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:59,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:59,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:59,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:59,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:59,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:59,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:59,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:59,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:10:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:59,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:59,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:59,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:59,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:10:59,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:59,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:59,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:10:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:59,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:59,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:59,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:59,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:59,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:59,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:59,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:59,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:59,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:59,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:59,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:10:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:59,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:59,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:59,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:59,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:59,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:59,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:59,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:59,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:10:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:59,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:59,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:59,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:59,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:59,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:59,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:10:59,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194004346] [2020-10-27 22:10:59,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:10:59,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:10:59,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961759088] [2020-10-27 22:10:59,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:10:59,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:10:59,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:10:59,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:10:59,251 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 4 states. [2020-10-27 22:10:59,847 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:11:00,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:00,675 INFO L93 Difference]: Finished difference Result 199 states and 240 transitions. [2020-10-27 22:11:00,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:11:00,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-27 22:11:00,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:00,679 INFO L225 Difference]: With dead ends: 199 [2020-10-27 22:11:00,679 INFO L226 Difference]: Without dead ends: 130 [2020-10-27 22:11:00,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:11:00,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-27 22:11:00,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-10-27 22:11:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-27 22:11:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-10-27 22:11:00,717 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 54 [2020-10-27 22:11:00,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:00,717 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-10-27 22:11:00,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:11:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-10-27 22:11:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-27 22:11:00,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:00,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:00,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:11:00,720 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]=== [2020-10-27 22:11:00,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:00,721 INFO L82 PathProgramCache]: Analyzing trace with hash 280642209, now seen corresponding path program 1 times [2020-10-27 22:11:00,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:00,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375463318] [2020-10-27 22:11:00,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:00,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 22:11:02,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:11:02,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1380 [2020-10-27 22:11:02,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:11:02,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:02,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:11:02,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,575 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:02,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 22:11:02,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:11:02,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:02,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:02,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:02,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:02,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:02,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:02,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:02,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:02,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:11:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:11:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:11:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:02,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:02,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:02,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375463318] [2020-10-27 22:11:02,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:02,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 22:11:02,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641947478] [2020-10-27 22:11:02,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 22:11:02,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:02,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 22:11:02,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:11:02,755 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 5 states. [2020-10-27 22:11:03,162 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:04,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:04,044 INFO L93 Difference]: Finished difference Result 212 states and 258 transitions. [2020-10-27 22:11:04,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:11:04,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-27 22:11:04,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:04,047 INFO L225 Difference]: With dead ends: 212 [2020-10-27 22:11:04,047 INFO L226 Difference]: Without dead ends: 130 [2020-10-27 22:11:04,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:11:04,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-27 22:11:04,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-10-27 22:11:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-27 22:11:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 120 transitions. [2020-10-27 22:11:04,086 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 120 transitions. Word has length 59 [2020-10-27 22:11:04,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:04,086 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 120 transitions. [2020-10-27 22:11:04,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 22:11:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 120 transitions. [2020-10-27 22:11:04,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-27 22:11:04,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:04,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:04,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:11:04,090 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]=== [2020-10-27 22:11:04,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:04,090 INFO L82 PathProgramCache]: Analyzing trace with hash 351250762, now seen corresponding path program 1 times [2020-10-27 22:11:04,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:04,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826104635] [2020-10-27 22:11:04,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:04,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:04,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:04,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 22:11:04,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:04,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 786 [2020-10-27 22:11:04,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:11:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:04,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 22:11:04,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:05,313 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:05,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:05,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 22:11:05,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:05,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:11:05,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:05,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:05,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:05,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:05,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:05,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:05,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:05,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:05,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:05,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:05,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:05,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:05,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:05,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:05,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:05,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:11:05,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:05,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:05,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:11:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:11:05,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:11:05,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:05,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:05,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:11:05,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:05,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:11:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:05,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:11:05,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:05,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:05,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 22:11:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:05,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:05,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:05,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:05,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:05,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:05,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 22:11:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:05,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:11:05,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:11:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:05,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:05,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 22:11:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:05,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:05,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:05,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:05,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:05,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:05,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:05,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:05,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826104635] [2020-10-27 22:11:05,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:05,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:11:05,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114243584] [2020-10-27 22:11:05,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:11:05,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:05,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:11:05,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:11:05,648 INFO L87 Difference]: Start difference. First operand 106 states and 120 transitions. Second operand 8 states. [2020-10-27 22:11:06,165 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:08,071 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-27 22:11:08,554 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:11:08,991 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:11:09,405 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:11:09,930 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:11:10,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:10,584 INFO L93 Difference]: Finished difference Result 320 states and 415 transitions. [2020-10-27 22:11:10,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:11:10,592 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-10-27 22:11:10,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:10,597 INFO L225 Difference]: With dead ends: 320 [2020-10-27 22:11:10,597 INFO L226 Difference]: Without dead ends: 238 [2020-10-27 22:11:10,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:11:10,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-27 22:11:10,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 185. [2020-10-27 22:11:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-27 22:11:10,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 215 transitions. [2020-10-27 22:11:10,671 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 215 transitions. Word has length 67 [2020-10-27 22:11:10,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:10,672 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 215 transitions. [2020-10-27 22:11:10,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:11:10,672 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 215 transitions. [2020-10-27 22:11:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-27 22:11:10,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:10,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:10,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:11:10,676 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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]=== [2020-10-27 22:11:10,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:10,677 INFO L82 PathProgramCache]: Analyzing trace with hash 506903146, now seen corresponding path program 1 times [2020-10-27 22:11:10,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:10,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639667958] [2020-10-27 22:11:10,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:10,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:10,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:11,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:15,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:15,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 22:11:15,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:11:15,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:11:15,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:11:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 22:11:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:11:15,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,061 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:16,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:16,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 22:11:16,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:16,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:16,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:16,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:16,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:11:16,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:16,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:16,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:16,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:16,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:16,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:16,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:11:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:16,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:11:16,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:16,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:16,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:16,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:11:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:16,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:11:16,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:11:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:11:16,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:11:16,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:11:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:11:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:11:16,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:11:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:16,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:16,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 22:11:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:16,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:16,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:16,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:16,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:16,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 22:11:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:16,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:16,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 22:11:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:16,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:16,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:16,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:16,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:16,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:16,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639667958] [2020-10-27 22:11:16,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:16,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:11:16,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36350105] [2020-10-27 22:11:16,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:11:16,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:16,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:11:16,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:11:16,245 INFO L87 Difference]: Start difference. First operand 185 states and 215 transitions. Second operand 7 states. [2020-10-27 22:11:17,187 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:17,545 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:11:19,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:19,756 INFO L93 Difference]: Finished difference Result 509 states and 657 transitions. [2020-10-27 22:11:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:11:19,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-10-27 22:11:19,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:19,761 INFO L225 Difference]: With dead ends: 509 [2020-10-27 22:11:19,761 INFO L226 Difference]: Without dead ends: 348 [2020-10-27 22:11:19,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:11:19,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-10-27 22:11:19,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 303. [2020-10-27 22:11:19,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-10-27 22:11:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 368 transitions. [2020-10-27 22:11:19,858 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 368 transitions. Word has length 75 [2020-10-27 22:11:19,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:19,859 INFO L481 AbstractCegarLoop]: Abstraction has 303 states and 368 transitions. [2020-10-27 22:11:19,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:11:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 368 transitions. [2020-10-27 22:11:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 22:11:19,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:19,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:19,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:11:19,867 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-10-27 22:11:19,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:19,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1085939472, now seen corresponding path program 1 times [2020-10-27 22:11:19,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:19,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824969109] [2020-10-27 22:11:19,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:11:19,911 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:11:19,911 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:11:19,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:11:19,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:11:19 BoogieIcfgContainer [2020-10-27 22:11:19,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:11:19,956 INFO L168 Benchmark]: Toolchain (without parser) took 32795.69 ms. Allocated memory was 155.2 MB in the beginning and 539.0 MB in the end (delta: 383.8 MB). Free memory was 129.0 MB in the beginning and 273.6 MB in the end (delta: -144.6 MB). Peak memory consumption was 239.8 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:19,957 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 155.2 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:11:19,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.69 ms. Allocated memory is still 155.2 MB. Free memory was 128.2 MB in the beginning and 107.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:19,964 INFO L168 Benchmark]: Boogie Preprocessor took 89.85 ms. Allocated memory is still 155.2 MB. Free memory was 107.9 MB in the beginning and 104.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:19,965 INFO L168 Benchmark]: RCFGBuilder took 1578.09 ms. Allocated memory is still 155.2 MB. Free memory was 103.9 MB in the beginning and 54.0 MB in the end (delta: 50.0 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:19,965 INFO L168 Benchmark]: TraceAbstraction took 30513.99 ms. Allocated memory was 155.2 MB in the beginning and 539.0 MB in the end (delta: 383.8 MB). Free memory was 53.4 MB in the beginning and 273.6 MB in the end (delta: -220.1 MB). Peak memory consumption was 163.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:19,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 155.2 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 598.69 ms. Allocated memory is still 155.2 MB. Free memory was 128.2 MB in the beginning and 107.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 89.85 ms. Allocated memory is still 155.2 MB. Free memory was 107.9 MB in the beginning and 104.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1578.09 ms. Allocated memory is still 155.2 MB. Free memory was 103.9 MB in the beginning and 54.0 MB in the end (delta: 50.0 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30513.99 ms. Allocated memory was 155.2 MB in the beginning and 539.0 MB in the end (delta: 383.8 MB). Free memory was 53.4 MB in the beginning and 273.6 MB in the end (delta: -220.1 MB). Peak memory consumption was 163.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L409] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L610] int pumpRunning = 0; [L611] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L864] int retValue_acc ; [L867] retValue_acc = 1 [L868] return (retValue_acc); [L130] RET, EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L114] CALL test() [L772] int splverifierCounter ; [L773] int tmp ; [L774] int tmp___0 ; [L775] int tmp___1 ; [L776] int tmp___2 ; [L779] splverifierCounter = 0 [L781] COND TRUE 1 [L783] COND TRUE splverifierCounter < 4 [L789] tmp = __VERIFIER_nondet_int() [L791] COND TRUE \read(tmp) [L793] CALL waterRise() [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 [L793] RET waterRise() [L799] tmp___0 = __VERIFIER_nondet_int() [L801] COND FALSE !(\read(tmp___0)) [L809] tmp___2 = __VERIFIER_nondet_int() [L811] COND FALSE !(\read(tmp___2)) [L817] tmp___1 = __VERIFIER_nondet_int() [L819] COND TRUE \read(tmp___1) [L826] CALL timeShift() [L618] COND FALSE !(\read(pumpRunning)) [L625] COND TRUE \read(systemActive) [L627] CALL processEnvironment() [L647] int tmp ; [L650] COND FALSE !(\read(pumpRunning)) [L665] FCALL processEnvironment__wrappee__base() [L627] RET processEnvironment() [L633] CALL __utac_acc__Specification3_spec__1() [L875] int tmp ; [L876] int tmp___0 ; [L877] int tmp___1 ; [L881] CALL, EXPR isMethaneLevelCritical() [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L881] RET, EXPR isMethaneLevelCritical() [L881] tmp = isMethaneLevelCritical() [L883] COND FALSE !(\read(tmp)) [L887] CALL, EXPR getWaterLevel() [L222] int retValue_acc ; [L225] retValue_acc = waterLevel [L226] return (retValue_acc); [L887] RET, EXPR getWaterLevel() [L887] tmp___0 = getWaterLevel() [L889] COND TRUE tmp___0 == 2 [L891] CALL, EXPR isPumpRunning() [L699] int retValue_acc ; [L702] retValue_acc = pumpRunning [L703] return (retValue_acc); [L891] RET, EXPR isPumpRunning() [L891] tmp___1 = isPumpRunning() [L893] COND FALSE !(\read(tmp___1)) [L897] CALL __automaton_fail() [L912] CALL reach_error() [L3] __assert_fail("0", "minepump_spec3_product18.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 233 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 30.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 572 SDtfs, 866 SDslu, 302 SDs, 0 SdLazy, 1566 SolverSat, 553 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 177 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 91080 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...