/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_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:11:56,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:11:56,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:11:56,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:11:56,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:11:56,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:11:56,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:11:56,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:11:56,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:11:56,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:11:56,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:11:56,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:11:56,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:11:56,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:11:56,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:11:56,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:11:56,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:11:56,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:11:56,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:11:56,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:11:56,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:11:56,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:11:56,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:11:56,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:11:56,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:11:56,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:11:56,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:11:56,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:11:56,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:11:56,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:11:56,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:11:56,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:11:56,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:11:56,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:11:56,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:11:56,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:11:56,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:11:56,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:11:56,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:11:56,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:11:56,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:11:56,651 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 22:11:56,704 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:11:56,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:11:56,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:11:56,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:11:56,709 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:11:56,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:11:56,710 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:11:56,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:11:56,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:11:56,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:11:56,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:11:56,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:11:56,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:11:56,712 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:11:56,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:11:56,712 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:11:56,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:11:56,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:11:56,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:11:56,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:11:56,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:11:56,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:11:56,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:11:56,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:11:56,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:11:56,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:11:56,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:11:56,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:11:56,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:11:56,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:11:57,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:11:57,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:11:57,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:11:57,186 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:11:57,187 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:11:57,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-10-27 22:11:57,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc3c91409/af4d6289b81c46a4b96f444fbc3c5fc6/FLAG72c0ef139 [2020-10-27 22:11:58,018 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:11:58,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-10-27 22:11:58,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc3c91409/af4d6289b81c46a4b96f444fbc3c5fc6/FLAG72c0ef139 [2020-10-27 22:11:58,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc3c91409/af4d6289b81c46a4b96f444fbc3c5fc6 [2020-10-27 22:11:58,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:11:58,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:11:58,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:11:58,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:11:58,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:11:58,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:58" (1/1) ... [2020-10-27 22:11:58,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56dcac9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58, skipping insertion in model container [2020-10-27 22:11:58,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:58" (1/1) ... [2020-10-27 22:11:58,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:11:58,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:11:58,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:11:58,757 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:11:58,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:11:58,985 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:11:58,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58 WrapperNode [2020-10-27 22:11:58,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:11:58,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:11:58,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:11:58,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:11:59,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58" (1/1) ... [2020-10-27 22:11:59,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58" (1/1) ... [2020-10-27 22:11:59,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58" (1/1) ... [2020-10-27 22:11:59,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58" (1/1) ... [2020-10-27 22:11:59,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58" (1/1) ... [2020-10-27 22:11:59,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58" (1/1) ... [2020-10-27 22:11:59,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58" (1/1) ... [2020-10-27 22:11:59,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:11:59,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:11:59,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:11:59,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:11:59,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58" (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 22:11:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:11:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:11:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:11:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:11:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:11:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:11:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:11:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:11:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:11:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:11:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:11:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:11:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:11:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:11:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:11:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:11:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:11:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:11:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:11:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:11:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 22:11:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:11:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:11:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:11:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:11:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:11:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:11:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:11:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:11:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:11:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:11:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:11:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:11:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:11:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:11:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:11:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:11:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:11:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:11:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:11:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:11:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:11:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:11:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:11:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:11:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:11:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:11:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:11:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:11:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:11:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:11:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:11:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:11:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:11:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:11:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:11:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:11:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:11:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:11:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 22:11:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:11:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:11:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:11:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:11:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:11:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:11:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:11:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:11:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:11:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:11:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:11:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:11:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:11:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:11:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:11:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:11:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:11:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:11:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:11:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:11:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:11:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:11:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:11:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:11:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:11:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:11:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:11:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:11:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:11:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:11:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:11:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:11:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:11:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:12:00,592 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:12:00,592 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:12:00,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:12:00 BoogieIcfgContainer [2020-10-27 22:12:00,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:12:00,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:12:00,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:12:00,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:12:00,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:11:58" (1/3) ... [2020-10-27 22:12:00,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc88d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:12:00, skipping insertion in model container [2020-10-27 22:12:00,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:58" (2/3) ... [2020-10-27 22:12:00,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc88d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:12:00, skipping insertion in model container [2020-10-27 22:12:00,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:12:00" (3/3) ... [2020-10-27 22:12:00,605 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-10-27 22:12:00,618 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:12:00,624 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:12:00,639 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:12:00,669 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:12:00,669 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:12:00,669 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:12:00,669 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:12:00,670 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:12:00,670 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:12:00,670 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:12:00,670 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:12:00,693 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-10-27 22:12:00,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 22:12:00,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:00,705 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 22:12:00,705 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 22:12:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:00,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1525045945, now seen corresponding path program 1 times [2020-10-27 22:12:00,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:00,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770006256] [2020-10-27 22:12:00,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:01,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:01,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:04,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:04,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 22:12:04,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:12:04,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3187 [2020-10-27 22:12:04,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:12:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:04,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:12:04,671 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:04,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:04,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:04,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:04,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:04,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 22:12:04,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:04,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:04,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:04,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:04,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:04,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:04,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:04,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:04,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:04,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:04,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:04,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:04,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:04,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:04,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:04,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:04,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:04,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:04,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:04,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:04,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:04,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:04,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:04,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:04,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:04,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:04,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:04,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:04,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:04,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:04,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:04,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:04,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:04,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:04,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:04,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:04,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:04,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:04,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:04,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:04,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:04,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:04,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:04,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:04,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:12:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:04,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:04,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:04,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:04,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:04,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:04,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:04,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:04,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:12:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:04,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:04,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:04,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:04,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:04,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:04,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:04,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:04,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:04,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:04,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:04,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:12:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:04,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:04,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:04,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:04,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:04,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:04,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:04,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:04,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:04,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:04,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:04,897 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 22:12:04,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770006256] [2020-10-27 22:12:04,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:04,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:12:04,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789904433] [2020-10-27 22:12:04,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:12:04,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:04,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:12:04,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:12:04,932 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 3 states. [2020-10-27 22:12:06,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:06,340 INFO L93 Difference]: Finished difference Result 301 states and 391 transitions. [2020-10-27 22:12:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:12:06,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-27 22:12:06,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:06,358 INFO L225 Difference]: With dead ends: 301 [2020-10-27 22:12:06,358 INFO L226 Difference]: Without dead ends: 161 [2020-10-27 22:12:06,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:12:06,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-27 22:12:06,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 128. [2020-10-27 22:12:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-27 22:12:06,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2020-10-27 22:12:06,465 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 53 [2020-10-27 22:12:06,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:06,465 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2020-10-27 22:12:06,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:12:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2020-10-27 22:12:06,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 22:12:06,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:06,470 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 22:12:06,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:12:06,470 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 22:12:06,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:06,471 INFO L82 PathProgramCache]: Analyzing trace with hash 556207127, now seen corresponding path program 1 times [2020-10-27 22:12:06,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:06,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609053762] [2020-10-27 22:12:06,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:09,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:09,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:12:09,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:12:09,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3418 [2020-10-27 22:12:09,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:09,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:09,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:12:09,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:10,322 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:10,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:10,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:10,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:10,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:10,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 22:12:10,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:10,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:10,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:10,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:10,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:10,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:10,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:10,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:10,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:10,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:10,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:10,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:12:10,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:10,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:10,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:10,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:10,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:10,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:10,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:10,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:10,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:10,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:10,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:10,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:10,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:10,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:10,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:10,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:10,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:10,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:10,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:10,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:10,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:10,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:10,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:10,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:12:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:10,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:10,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:10,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:10,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:10,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:10,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:10,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:10,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:10,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:10,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:10,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:10,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:12:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:10,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:10,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:10,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:10,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:10,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:10,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:10,470 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 22:12:10,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609053762] [2020-10-27 22:12:10,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:10,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:12:10,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896902983] [2020-10-27 22:12:10,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:12:10,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:10,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:12:10,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:12:10,481 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 4 states. [2020-10-27 22:12:11,110 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:12,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:12,326 INFO L93 Difference]: Finished difference Result 227 states and 274 transitions. [2020-10-27 22:12:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:12:12,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-27 22:12:12,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:12,330 INFO L225 Difference]: With dead ends: 227 [2020-10-27 22:12:12,330 INFO L226 Difference]: Without dead ends: 145 [2020-10-27 22:12:12,332 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 22:12:12,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-27 22:12:12,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 119. [2020-10-27 22:12:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-27 22:12:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2020-10-27 22:12:12,382 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 54 [2020-10-27 22:12:12,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:12,382 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2020-10-27 22:12:12,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:12:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2020-10-27 22:12:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-27 22:12:12,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:12,385 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 22:12:12,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:12:12,386 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 22:12:12,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:12,386 INFO L82 PathProgramCache]: Analyzing trace with hash 277127144, now seen corresponding path program 1 times [2020-10-27 22:12:12,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:12,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418091771] [2020-10-27 22:12:12,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:13,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:13,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 22:12:13,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:13,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1381 [2020-10-27 22:12:13,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:12:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:12:13,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,229 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 22:12:14,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:12:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:14,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:14,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:14,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:14,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:14,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:14,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:14,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:12:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:14,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:12:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:12:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,403 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 22:12:14,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418091771] [2020-10-27 22:12:14,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:14,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 22:12:14,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797651446] [2020-10-27 22:12:14,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 22:12:14,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:14,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 22:12:14,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:12:14,405 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 5 states. [2020-10-27 22:12:14,951 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:15,940 INFO L93 Difference]: Finished difference Result 240 states and 292 transitions. [2020-10-27 22:12:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:12:15,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-27 22:12:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:15,944 INFO L225 Difference]: With dead ends: 240 [2020-10-27 22:12:15,944 INFO L226 Difference]: Without dead ends: 145 [2020-10-27 22:12:15,945 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 22:12:15,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-27 22:12:15,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 119. [2020-10-27 22:12:15,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-27 22:12:15,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2020-10-27 22:12:15,993 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 59 [2020-10-27 22:12:15,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:15,993 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2020-10-27 22:12:15,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 22:12:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2020-10-27 22:12:15,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-27 22:12:15,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:15,996 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 22:12:15,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:12:15,996 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 22:12:15,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:15,997 INFO L82 PathProgramCache]: Analyzing trace with hash 708582893, now seen corresponding path program 1 times [2020-10-27 22:12:15,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:15,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885623982] [2020-10-27 22:12:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:16,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:16,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:18,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 22:12:21,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:12:21,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 22:12:21,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:21,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 22:12:21,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:12:21,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,552 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:21,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 22:12:21,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:21,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:21,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:21,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:21,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:21,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:21,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:21,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:21,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:21,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:21,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:21,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:21,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:21,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:12:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:12:21,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:21,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:21,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:21,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:21,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:21,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 22:12:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:21,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:21,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:21,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:21,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 22:12:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:21,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:21,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:21,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:21,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 22:12:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:21,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:21,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:21,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:21,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:12:21,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:21,774 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 22:12:21,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1885623982] [2020-10-27 22:12:21,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:21,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:12:21,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114783389] [2020-10-27 22:12:21,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:12:21,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:21,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:12:21,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:21,778 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 8 states. [2020-10-27 22:12:22,921 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:23,292 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:24,395 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-27 22:12:25,351 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:12:25,770 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:12:26,840 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:27,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:27,413 INFO L93 Difference]: Finished difference Result 333 states and 427 transitions. [2020-10-27 22:12:27,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:12:27,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-10-27 22:12:27,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:27,417 INFO L225 Difference]: With dead ends: 333 [2020-10-27 22:12:27,417 INFO L226 Difference]: Without dead ends: 127 [2020-10-27 22:12:27,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:12:27,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-27 22:12:27,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 110. [2020-10-27 22:12:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-27 22:12:27,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 122 transitions. [2020-10-27 22:12:27,456 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 122 transitions. Word has length 67 [2020-10-27 22:12:27,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:27,460 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 122 transitions. [2020-10-27 22:12:27,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:12:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2020-10-27 22:12:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-27 22:12:27,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:27,464 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, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:27,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:12:27,465 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 22:12:27,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:27,465 INFO L82 PathProgramCache]: Analyzing trace with hash 177808399, now seen corresponding path program 1 times [2020-10-27 22:12:27,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:27,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725573759] [2020-10-27 22:12:27,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:27,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:27,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:28,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:12:28,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:28,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1214 [2020-10-27 22:12:28,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:28,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:28,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 22:12:28,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:12:28,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,109 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:29,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:12:29,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:29,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:29,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:29,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:29,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:29,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:29,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:29,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:29,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:29,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:29,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:29,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:12:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:29,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:12:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:12:29,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:29,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:12:29,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:12:29,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:29,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:29,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:29,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:29,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:29,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 22:12:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:29,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:29,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 22:12:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:29,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 22:12:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:29,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:29,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,304 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 22:12:29,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725573759] [2020-10-27 22:12:29,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:29,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:12:29,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41692887] [2020-10-27 22:12:29,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:12:29,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:29,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:12:29,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:29,309 INFO L87 Difference]: Start difference. First operand 110 states and 122 transitions. Second operand 8 states. [2020-10-27 22:12:29,905 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:31,723 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:32,194 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:32,598 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:33,109 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:33,576 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:33,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:33,845 INFO L93 Difference]: Finished difference Result 289 states and 347 transitions. [2020-10-27 22:12:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:12:33,846 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-27 22:12:33,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:33,849 INFO L225 Difference]: With dead ends: 289 [2020-10-27 22:12:33,849 INFO L226 Difference]: Without dead ends: 203 [2020-10-27 22:12:33,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:12:33,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-27 22:12:33,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2020-10-27 22:12:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-27 22:12:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 212 transitions. [2020-10-27 22:12:33,907 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 212 transitions. Word has length 81 [2020-10-27 22:12:33,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:33,908 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 212 transitions. [2020-10-27 22:12:33,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:12:33,908 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 212 transitions. [2020-10-27 22:12:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-27 22:12:33,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:33,910 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:33,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:12:33,911 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 22:12:33,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:33,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1062510388, now seen corresponding path program 1 times [2020-10-27 22:12:33,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:33,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518525337] [2020-10-27 22:12:33,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:33,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 22:12:34,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-27 22:12:34,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:34,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-27 22:12:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:34,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,676 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:34,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:34,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:12:34,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:34,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:34,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:34,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:34,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:34,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:34,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:34,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:34,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:34,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:34,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:12:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:34,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:12:34,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:12:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:34,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:12:34,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:12:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:34,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:34,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:34,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:34,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:34,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:12:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:34,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:34,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 22:12:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:34,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:34,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 22:12:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:34,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:34,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:34,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:34,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:34,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:34,944 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 22:12:34,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518525337] [2020-10-27 22:12:34,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:34,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:12:34,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424495204] [2020-10-27 22:12:34,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:12:34,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:34,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:12:34,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:34,949 INFO L87 Difference]: Start difference. First operand 186 states and 212 transitions. Second operand 8 states. [2020-10-27 22:12:36,199 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:36,600 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:37,029 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:37,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:37,770 INFO L93 Difference]: Finished difference Result 377 states and 449 transitions. [2020-10-27 22:12:37,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:12:37,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-10-27 22:12:37,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:37,773 INFO L225 Difference]: With dead ends: 377 [2020-10-27 22:12:37,773 INFO L226 Difference]: Without dead ends: 215 [2020-10-27 22:12:37,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:12:37,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-27 22:12:37,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 186. [2020-10-27 22:12:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-27 22:12:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 211 transitions. [2020-10-27 22:12:37,834 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 211 transitions. Word has length 85 [2020-10-27 22:12:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:37,835 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 211 transitions. [2020-10-27 22:12:37,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:12:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 211 transitions. [2020-10-27 22:12:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-27 22:12:37,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:37,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:37,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:12:37,841 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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 22:12:37,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:37,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1181472910, now seen corresponding path program 1 times [2020-10-27 22:12:37,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:37,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601465199] [2020-10-27 22:12:37,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 22:12:38,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-10-27 22:12:38,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 22:12:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:38,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,660 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:38,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 22:12:38,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:38,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:38,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:38,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:38,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:12:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:38,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:12:38,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:12:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:38,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:12:38,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:38,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:12:38,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:38,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:38,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:38,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:38,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:38,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:12:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 22:12:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 22:12:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:38,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:38,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:38,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:38,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:38,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:38,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:38,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:38,899 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 22:12:38,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601465199] [2020-10-27 22:12:38,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:38,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:38,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101434496] [2020-10-27 22:12:38,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:38,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:38,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:38,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:38,901 INFO L87 Difference]: Start difference. First operand 186 states and 211 transitions. Second operand 9 states. [2020-10-27 22:12:40,186 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:40,559 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:40,953 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:41,319 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:42,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:42,017 INFO L93 Difference]: Finished difference Result 379 states and 457 transitions. [2020-10-27 22:12:42,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:12:42,018 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-10-27 22:12:42,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:42,021 INFO L225 Difference]: With dead ends: 379 [2020-10-27 22:12:42,021 INFO L226 Difference]: Without dead ends: 217 [2020-10-27 22:12:42,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:12:42,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-27 22:12:42,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 188. [2020-10-27 22:12:42,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-27 22:12:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 213 transitions. [2020-10-27 22:12:42,072 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 213 transitions. Word has length 85 [2020-10-27 22:12:42,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:42,072 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 213 transitions. [2020-10-27 22:12:42,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 213 transitions. [2020-10-27 22:12:42,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 22:12:42,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:42,075 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:42,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:12:42,075 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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 22:12:42,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:42,075 INFO L82 PathProgramCache]: Analyzing trace with hash 2021268258, now seen corresponding path program 1 times [2020-10-27 22:12:42,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:42,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1886253219] [2020-10-27 22:12:42,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:42,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:42,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:45,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:45,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 22:12:45,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:45,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3310 [2020-10-27 22:12:45,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:12:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 22:12:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:12:45,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:45,887 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:45,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:45,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:45,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:45,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:45,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:12:45,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:45,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:45,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:45,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:45,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:45,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:45,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:45,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:45,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:45,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:45,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:45,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:45,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:45,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:45,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:45,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:45,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:45,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:45,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:45,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:45,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:45,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:45,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:45,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:45,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:45,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:45,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:45,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:45,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:45,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:45,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:45,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:45,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:45,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:45,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:45,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:12:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:45,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:46,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:46,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 22:12:46,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:46,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:12:46,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:12:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 22:12:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:46,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:46,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:46,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:46,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:46,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:46,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:46,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:46,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:46,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:46,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:46,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:46,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:46,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:46,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:46,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:46,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:46,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:46,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:46,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:46,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:46,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 22:12:46,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:12:46,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:12:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:12:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:46,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:46,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:46,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:46,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:12:46,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:12:46,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:12:46,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:46,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:46,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:46,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:46,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:46,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:46,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:46,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:46,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 22:12:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:46,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:46,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:46,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:46,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:46,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:46,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:46,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:46,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:46,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 22:12:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:46,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:46,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:46,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:46,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:46,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:46,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 22:12:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:46,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:46,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:46,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:46,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:46,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:46,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:46,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:12:46,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1886253219] [2020-10-27 22:12:46,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:46,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 22:12:46,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125831820] [2020-10-27 22:12:46,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:12:46,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:46,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:12:46,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:12:46,288 INFO L87 Difference]: Start difference. First operand 188 states and 213 transitions. Second operand 13 states. [2020-10-27 22:12:47,814 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:49,112 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:49,582 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:50,016 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:50,430 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:50,900 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:51,338 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:51,751 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 22:12:52,188 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:12:52,634 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 22:12:53,126 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:12:53,700 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:12:54,353 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:12:54,757 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:12:55,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:55,531 INFO L93 Difference]: Finished difference Result 509 states and 639 transitions. [2020-10-27 22:12:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 22:12:55,532 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 97 [2020-10-27 22:12:55,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:55,533 INFO L225 Difference]: With dead ends: 509 [2020-10-27 22:12:55,533 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:12:55,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2020-10-27 22:12:55,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:12:55,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:12:55,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:12:55,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:12:55,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2020-10-27 22:12:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:55,541 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:12:55,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:12:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:12:55,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:12:55,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:12:55,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:12:56,489 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 220 [2020-10-27 22:12:57,527 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 221 [2020-10-27 22:12:57,769 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-10-27 22:12:58,776 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 83 [2020-10-27 22:13:00,314 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 83 [2020-10-27 22:13:01,276 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-10-27 22:13:01,477 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 83 [2020-10-27 22:13:01,860 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-10-27 22:13:02,449 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 8 [2020-10-27 22:13:02,770 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-27 22:13:03,063 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-27 22:13:03,374 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2020-10-27 22:13:03,668 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-27 22:13:05,047 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2020-10-27 22:13:05,172 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 31 [2020-10-27 22:13:05,475 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-27 22:13:06,086 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 17 [2020-10-27 22:13:06,381 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-27 22:13:06,968 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 7 [2020-10-27 22:13:07,304 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:13:07,626 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 14 [2020-10-27 22:13:08,209 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 12 [2020-10-27 22:13:08,492 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-27 22:13:09,100 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 8 [2020-10-27 22:13:09,415 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-27 22:13:09,952 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 8 [2020-10-27 22:13:10,261 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 17 [2020-10-27 22:13:11,323 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 166 DAG size of output: 28 [2020-10-27 22:13:11,614 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-27 22:13:11,879 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-27 22:13:12,499 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 18 [2020-10-27 22:13:12,765 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 16 [2020-10-27 22:13:13,115 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-27 22:13:13,425 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 13 [2020-10-27 22:13:13,708 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-27 22:13:13,981 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-27 22:13:14,589 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 8 [2020-10-27 22:13:14,871 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-27 22:13:15,150 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-27 22:13:15,460 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-27 22:13:16,707 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 171 DAG size of output: 23 [2020-10-27 22:13:17,060 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-27 22:13:17,212 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 31 [2020-10-27 22:13:17,498 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-27 22:13:18,510 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 20 [2020-10-27 22:13:18,813 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-27 22:13:18,819 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 22:13:18,819 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 22:13:18,820 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 22:13:18,820 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 22:13:18,820 INFO L274 CegarLoopResult]: For program point L638(lines 615 639) no Hoare annotation was computed. [2020-10-27 22:13:18,820 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 591 646) no Hoare annotation was computed. [2020-10-27 22:13:18,820 INFO L274 CegarLoopResult]: For program point L622(lines 622 626) no Hoare annotation was computed. [2020-10-27 22:13:18,821 INFO L274 CegarLoopResult]: For program point L622-1(lines 622 626) no Hoare annotation was computed. [2020-10-27 22:13:18,821 INFO L274 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 591 646) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point L616-2(lines 616 637) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 591 646) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point L673-2(lines 673 698) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point L699(lines 672 700) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 647 706) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 647 706) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 647 706) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point L679(lines 679 683) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point L679-1(lines 679 683) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L274 CegarLoopResult]: For program point L674(line 674) no Hoare annotation was computed. [2020-10-27 22:13:18,822 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2020-10-27 22:13:18,823 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2020-10-27 22:13:18,823 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2020-10-27 22:13:18,823 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2020-10-27 22:13:18,823 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2020-10-27 22:13:18,823 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:18,823 INFO L270 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:18,823 INFO L270 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:18,823 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:18,823 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-27 22:13:18,824 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-27 22:13:18,824 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:18,824 INFO L270 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:18,824 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-27 22:13:18,824 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-27 22:13:18,824 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-27 22:13:18,824 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-27 22:13:18,824 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 22:13:18,824 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-27 22:13:18,824 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-27 22:13:18,825 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 327 335) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 327 335) the Hoare annotation is: true [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 327 335) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point L355-2(lines 355 363) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 336 371) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point L366-1(line 366) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 336 371) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point L355(lines 355 363) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 336 371) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2020-10-27 22:13:18,826 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2020-10-27 22:13:18,826 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 545 590) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 545 590) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 545 590) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 858 903) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point L889(lines 889 890) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point L882(lines 882 883) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 882 883) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 889 890) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 858 903) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point L872(lines 872 892) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point L872-1(lines 872 892) no Hoare annotation was computed. [2020-10-27 22:13:18,827 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 858 903) no Hoare annotation was computed. [2020-10-27 22:13:18,828 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:18,828 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2020-10-27 22:13:18,828 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2020-10-27 22:13:18,828 INFO L277 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: true [2020-10-27 22:13:18,828 INFO L274 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2020-10-27 22:13:18,828 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 316 326) the Hoare annotation is: true [2020-10-27 22:13:18,828 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 316 326) no Hoare annotation was computed. [2020-10-27 22:13:18,828 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 316 326) no Hoare annotation was computed. [2020-10-27 22:13:18,828 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 308 315) no Hoare annotation was computed. [2020-10-27 22:13:18,828 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 308 315) no Hoare annotation was computed. [2020-10-27 22:13:18,828 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 308 315) no Hoare annotation was computed. [2020-10-27 22:13:18,828 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 480 493) no Hoare annotation was computed. [2020-10-27 22:13:18,829 INFO L274 CegarLoopResult]: For program point L484(lines 484 490) no Hoare annotation was computed. [2020-10-27 22:13:18,829 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 480 493) the Hoare annotation is: true [2020-10-27 22:13:18,829 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 480 493) no Hoare annotation was computed. [2020-10-27 22:13:18,829 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 257 281) no Hoare annotation was computed. [2020-10-27 22:13:18,829 INFO L270 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-27 22:13:18,829 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 257 281) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:18,829 INFO L274 CegarLoopResult]: For program point L276-1(lines 257 281) no Hoare annotation was computed. [2020-10-27 22:13:18,829 INFO L270 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0))) [2020-10-27 22:13:18,830 INFO L270 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse1 (<= 1 processEnvironment_~tmp~2)) .cse0 (and (<= ~waterLevel~0 1) .cse1))))) [2020-10-27 22:13:18,830 INFO L274 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-10-27 22:13:18,830 INFO L270 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0))) [2020-10-27 22:13:18,830 INFO L274 CegarLoopResult]: For program point L263-1(line 263) no Hoare annotation was computed. [2020-10-27 22:13:18,830 INFO L274 CegarLoopResult]: For program point L261(lines 261 278) no Hoare annotation was computed. [2020-10-27 22:13:18,830 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 249 255) no Hoare annotation was computed. [2020-10-27 22:13:18,830 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 249 255) the Hoare annotation is: true [2020-10-27 22:13:18,830 INFO L270 CegarLoopResult]: At program point testENTRY(lines 147 212) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:18,830 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-10-27 22:13:18,831 INFO L274 CegarLoopResult]: For program point testFINAL(lines 147 212) no Hoare annotation was computed. [2020-10-27 22:13:18,831 INFO L270 CegarLoopResult]: At program point L205(lines 156 206) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1))) [2020-10-27 22:13:18,831 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-10-27 22:13:18,831 INFO L270 CegarLoopResult]: At program point L195-2(lines 187 200) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-27 22:13:18,831 INFO L274 CegarLoopResult]: For program point L158(lines 157 204) no Hoare annotation was computed. [2020-10-27 22:13:18,831 INFO L270 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-27 22:13:18,831 INFO L274 CegarLoopResult]: For program point L187(lines 187 200) no Hoare annotation was computed. [2020-10-27 22:13:18,831 INFO L270 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-27 22:13:18,831 INFO L274 CegarLoopResult]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-10-27 22:13:18,832 INFO L274 CegarLoopResult]: For program point L177-1(lines 177 183) no Hoare annotation was computed. [2020-10-27 22:13:18,832 INFO L270 CegarLoopResult]: At program point L202(lines 157 204) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse2 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0))) (not (<= |old(~waterLevel~0)| 1)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-27 22:13:18,832 INFO L270 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse2 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0))) (not (<= |old(~waterLevel~0)| 1)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-27 22:13:18,832 INFO L274 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-10-27 22:13:18,832 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 173) no Hoare annotation was computed. [2020-10-27 22:13:18,832 INFO L274 CegarLoopResult]: For program point testEXIT(lines 147 212) no Hoare annotation was computed. [2020-10-27 22:13:18,832 INFO L274 CegarLoopResult]: For program point L832(lines 832 839) no Hoare annotation was computed. [2020-10-27 22:13:18,832 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 836 837) no Hoare annotation was computed. [2020-10-27 22:13:18,832 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 843 844) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point L826(lines 826 846) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 812 857) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point L826-1(lines 826 846) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 812 857) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 812 857) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point L843(lines 843 844) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point L836(lines 836 837) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L270 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 282 289) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 282 289) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 282 289) no Hoare annotation was computed. [2020-10-27 22:13:18,833 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 448 470) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point L456(lines 456 464) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point L456-2(lines 456 464) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 448 470) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 448 470) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 505 514) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 505 514) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 505 514) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 709 811) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point L797(lines 797 808) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-10-27 22:13:18,834 INFO L274 CegarLoopResult]: For program point L758-2(lines 758 778) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point L779(lines 757 780) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 709 811) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point L738(lines 738 754) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point L759(lines 758 778) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point L755(lines 755 796) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 709 811) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point L774-1(line 774) no Hoare annotation was computed. [2020-10-27 22:13:18,835 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:18,836 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 22:13:18,836 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:18,836 INFO L270 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:18,836 INFO L274 CegarLoopResult]: For program point L302-1(lines 291 307) no Hoare annotation was computed. [2020-10-27 22:13:18,836 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 291 307) no Hoare annotation was computed. [2020-10-27 22:13:18,836 INFO L274 CegarLoopResult]: For program point L298(lines 298 304) no Hoare annotation was computed. [2020-10-27 22:13:18,836 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 291 307) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:18,837 INFO L270 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:18,837 INFO L274 CegarLoopResult]: For program point L296-1(line 296) no Hoare annotation was computed. [2020-10-27 22:13:18,837 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 372 390) no Hoare annotation was computed. [2020-10-27 22:13:18,837 INFO L274 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-10-27 22:13:18,837 INFO L277 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: true [2020-10-27 22:13:18,837 INFO L274 CegarLoopResult]: For program point L381-2(lines 381 385) no Hoare annotation was computed. [2020-10-27 22:13:18,837 INFO L274 CegarLoopResult]: For program point L379-1(line 379) no Hoare annotation was computed. [2020-10-27 22:13:18,837 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 372 390) the Hoare annotation is: true [2020-10-27 22:13:18,837 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 372 390) no Hoare annotation was computed. [2020-10-27 22:13:18,837 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 471 479) the Hoare annotation is: true [2020-10-27 22:13:18,837 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 471 479) no Hoare annotation was computed. [2020-10-27 22:13:18,838 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 471 479) no Hoare annotation was computed. [2020-10-27 22:13:18,838 INFO L274 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-10-27 22:13:18,838 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 427 438) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-27 22:13:18,838 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 427 438) no Hoare annotation was computed. [2020-10-27 22:13:18,838 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:18,838 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 22:13:18,838 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:18,838 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 225 248) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:18,838 INFO L270 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= 1 ~systemActive~0)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0))) [2020-10-27 22:13:18,839 INFO L270 CegarLoopResult]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (<= (+ ~pumpRunning~0 1) 0) (and (<= ~waterLevel~0 1) .cse1) .cse0 (and .cse1 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0))) (< 0 ~pumpRunning~0))))) [2020-10-27 22:13:18,839 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 225 248) no Hoare annotation was computed. [2020-10-27 22:13:18,839 INFO L270 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:18,839 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 225 248) no Hoare annotation was computed. [2020-10-27 22:13:18,839 INFO L274 CegarLoopResult]: For program point L229(lines 228 247) no Hoare annotation was computed. [2020-10-27 22:13:18,839 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 22:13:18,839 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-27 22:13:18,839 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-27 22:13:18,839 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-27 22:13:18,839 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-27 22:13:18,839 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-27 22:13:18,840 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-27 22:13:18,840 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-27 22:13:18,840 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-27 22:13:18,840 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-27 22:13:18,840 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 439 447) the Hoare annotation is: true [2020-10-27 22:13:18,840 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 439 447) no Hoare annotation was computed. [2020-10-27 22:13:18,840 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 439 447) no Hoare annotation was computed. [2020-10-27 22:13:18,840 INFO L270 CegarLoopResult]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) .cse0) (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse0) (or .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-27 22:13:18,840 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 905 937) no Hoare annotation was computed. [2020-10-27 22:13:18,841 INFO L274 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-10-27 22:13:18,841 INFO L270 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse0) (or .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-27 22:13:18,841 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 905 937) the Hoare annotation is: true [2020-10-27 22:13:18,841 INFO L274 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-10-27 22:13:18,841 INFO L274 CegarLoopResult]: For program point L920(lines 920 933) no Hoare annotation was computed. [2020-10-27 22:13:18,841 INFO L274 CegarLoopResult]: For program point L920-1(lines 905 937) no Hoare annotation was computed. [2020-10-27 22:13:18,841 INFO L270 CegarLoopResult]: At program point L918(line 918) the Hoare annotation is: (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:18,841 INFO L274 CegarLoopResult]: For program point L918-1(line 918) no Hoare annotation was computed. [2020-10-27 22:13:18,841 INFO L274 CegarLoopResult]: For program point L914(lines 914 934) no Hoare annotation was computed. [2020-10-27 22:13:18,842 INFO L277 CegarLoopResult]: At program point L912(line 912) the Hoare annotation is: true [2020-10-27 22:13:18,842 INFO L274 CegarLoopResult]: For program point L912-1(line 912) no Hoare annotation was computed. [2020-10-27 22:13:18,842 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 403 414) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:18,842 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 403 414) no Hoare annotation was computed. [2020-10-27 22:13:18,842 INFO L274 CegarLoopResult]: For program point L407-1(lines 403 414) no Hoare annotation was computed. [2020-10-27 22:13:18,842 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-27 22:13:18,842 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-27 22:13:18,842 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:18,842 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-10-27 22:13:18,842 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:13:18,842 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:18,843 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2020-10-27 22:13:18,843 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2020-10-27 22:13:18,843 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2020-10-27 22:13:18,843 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 415 426) no Hoare annotation was computed. [2020-10-27 22:13:18,843 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 415 426) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) .cse1) (or .cse0 (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse1) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-27 22:13:18,843 INFO L274 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-10-27 22:13:18,843 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 495 502) no Hoare annotation was computed. [2020-10-27 22:13:18,843 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 495 502) the Hoare annotation is: true [2020-10-27 22:13:18,843 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 495 502) no Hoare annotation was computed. [2020-10-27 22:13:18,843 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 22:13:18,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:13:18 BoogieIcfgContainer [2020-10-27 22:13:18,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:13:18,884 INFO L168 Benchmark]: Toolchain (without parser) took 80553.91 ms. Allocated memory was 162.5 MB in the beginning and 629.1 MB in the end (delta: 466.6 MB). Free memory was 116.4 MB in the beginning and 584.2 MB in the end (delta: -467.8 MB). Peak memory consumption was 364.7 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:18,885 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 162.5 MB. Free memory is still 134.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:13:18,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.63 ms. Allocated memory is still 162.5 MB. Free memory was 115.8 MB in the beginning and 136.8 MB in the end (delta: -21.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:18,887 INFO L168 Benchmark]: Boogie Preprocessor took 106.46 ms. Allocated memory is still 162.5 MB. Free memory was 136.8 MB in the beginning and 132.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:18,887 INFO L168 Benchmark]: RCFGBuilder took 1500.84 ms. Allocated memory is still 162.5 MB. Free memory was 132.6 MB in the beginning and 103.0 MB in the end (delta: 29.6 MB). Peak memory consumption was 55.8 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:18,888 INFO L168 Benchmark]: TraceAbstraction took 78285.86 ms. Allocated memory was 162.5 MB in the beginning and 629.1 MB in the end (delta: 466.6 MB). Free memory was 102.5 MB in the beginning and 584.2 MB in the end (delta: -481.7 MB). Peak memory consumption was 349.8 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:18,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 162.5 MB. Free memory is still 134.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 648.63 ms. Allocated memory is still 162.5 MB. Free memory was 115.8 MB in the beginning and 136.8 MB in the end (delta: -21.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.46 ms. Allocated memory is still 162.5 MB. Free memory was 136.8 MB in the beginning and 132.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1500.84 ms. Allocated memory is still 162.5 MB. Free memory was 132.6 MB in the beginning and 103.0 MB in the end (delta: 29.6 MB). Peak memory consumption was 55.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 78285.86 ms. Allocated memory was 162.5 MB in the beginning and 629.1 MB in the end (delta: 466.6 MB). Free memory was 102.5 MB in the beginning and 584.2 MB in the end (delta: -481.7 MB). Peak memory consumption was 349.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 843]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 836]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 882]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 889]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || (((waterLevel <= 1 && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == \old(pumpRunning))) || (((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == \old(pumpRunning)) && (methaneLevelCritical + 1 <= 0 || 1 <= methaneLevelCritical))) || !(\old(waterLevel) <= 1)) || (((pumpRunning + 1 <= 0 || 0 < pumpRunning) && splverifierCounter <= 0) && 1 == systemActive) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(waterLevel) <= 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 241 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.8s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 30.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 896 SDtfs, 1154 SDslu, 696 SDs, 0 SdLazy, 4400 SolverSat, 691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 190 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=7, 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, 8 MinimizatonAttempts, 177 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 583 PreInvPairs, 764 NumberOfFragments, 1065 HoareAnnotationTreeSize, 583 FomulaSimplifications, 936077 FormulaSimplificationTreeSizeReduction, 6.0s HoareSimplificationTime, 59 FomulaSimplificationsInter, 29069 FormulaSimplificationTreeSizeReductionInter, 17.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 581 NumberOfCodeBlocks, 581 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 573 ConstructedInterpolants, 0 QuantifiedInterpolants, 187982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...