/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_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:11:53,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:11:53,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:11:53,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:11:53,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:11:53,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:11:53,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:11:53,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:11:53,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:11:53,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:11:53,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:11:53,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:11:53,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:11:53,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:11:53,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:11:53,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:11:53,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:11:53,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:11:53,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:11:54,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:11:54,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:11:54,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:11:54,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:11:54,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:11:54,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:11:54,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:11:54,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:11:54,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:11:54,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:11:54,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:11:54,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:11:54,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:11:54,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:11:54,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:11:54,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:11:54,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:11:54,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:11:54,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:11:54,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:11:54,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:11:54,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:11:54,023 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 22:11:54,051 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:11:54,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:11:54,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:11:54,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:11:54,054 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:11:54,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:11:54,054 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:11:54,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:11:54,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:11:54,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:11:54,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:11:54,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:11:54,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:11:54,056 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:11:54,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:11:54,057 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:11:54,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:11:54,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:11:54,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:11:54,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:11:54,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:11:54,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:11:54,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:11:54,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:11:54,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:11:54,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:11:54,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:11:54,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:11:54,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:11:54,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:11:54,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:11:54,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:11:54,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:11:54,550 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:11:54,551 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:11:54,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-10-27 22:11:54,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8b923506/a564c20d644042a88f47ac6a70a0f448/FLAG2d12811ac [2020-10-27 22:11:55,400 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:11:55,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-10-27 22:11:55,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8b923506/a564c20d644042a88f47ac6a70a0f448/FLAG2d12811ac [2020-10-27 22:11:55,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8b923506/a564c20d644042a88f47ac6a70a0f448 [2020-10-27 22:11:55,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:11:55,648 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:11:55,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:11:55,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:11:55,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:11:55,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:55" (1/1) ... [2020-10-27 22:11:55,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfe779e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:55, skipping insertion in model container [2020-10-27 22:11:55,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:55" (1/1) ... [2020-10-27 22:11:55,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:11:55,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:11:56,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:11:56,112 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:11:56,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:11:56,318 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:11:56,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56 WrapperNode [2020-10-27 22:11:56,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:11:56,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:11:56,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:11:56,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:11:56,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56" (1/1) ... [2020-10-27 22:11:56,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56" (1/1) ... [2020-10-27 22:11:56,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56" (1/1) ... [2020-10-27 22:11:56,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56" (1/1) ... [2020-10-27 22:11:56,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56" (1/1) ... [2020-10-27 22:11:56,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56" (1/1) ... [2020-10-27 22:11:56,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56" (1/1) ... [2020-10-27 22:11:56,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:11:56,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:11:56,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:11:56,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:11:56,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56" (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 22:11:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:11:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:11:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:11:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:11:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:11:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:11:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:11:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:11:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:11:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:11:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:11:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:11:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:11:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:11:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:11:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:11:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:11:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:11:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:11:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:11:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:11:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:11:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:11:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:11:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:11:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:11:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:11:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:11:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:11:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:11:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:11:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:11:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:11:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:11:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:11:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:11:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:11:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:11:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:11:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:11:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:11:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:11:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:11:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:11:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:11:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:11:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:11:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:11:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:11:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:11:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:11:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:11:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:11:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:11:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:11:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:11:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:11:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:11:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:11:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:11:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:11:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:11:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:11:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:11:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:11:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:11:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:11:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:11:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:11:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:11:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:11:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:11:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:11:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:11:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:11:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:11:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:11:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:11:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:11:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:11:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:11:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:11:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:11:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:11:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:11:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:11:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:11:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:11:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:11:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:11:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:11:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:11:57,964 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:11:57,965 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:11:57,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:11:57 BoogieIcfgContainer [2020-10-27 22:11:57,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:11:57,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:11:57,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:11:57,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:11:57,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:11:55" (1/3) ... [2020-10-27 22:11:57,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2307e27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:11:57, skipping insertion in model container [2020-10-27 22:11:57,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:56" (2/3) ... [2020-10-27 22:11:57,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2307e27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:11:57, skipping insertion in model container [2020-10-27 22:11:57,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:11:57" (3/3) ... [2020-10-27 22:11:57,977 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-10-27 22:11:57,990 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:11:57,996 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:11:58,010 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:11:58,041 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:11:58,041 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:11:58,041 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:11:58,041 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:11:58,041 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:11:58,042 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:11:58,042 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:11:58,042 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:11:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-10-27 22:11:58,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 22:11:58,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:58,077 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 22:11:58,078 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 22:11:58,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:58,085 INFO L82 PathProgramCache]: Analyzing trace with hash 913693498, now seen corresponding path program 1 times [2020-10-27 22:11:58,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:58,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945242304] [2020-10-27 22:11:58,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:58,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:58,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:58,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:01,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:01,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 22:12:01,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:12:01,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3305 [2020-10-27 22:12:01,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:12:01,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:01,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:12:02,558 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:02,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:02,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:02,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:02,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:02,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:12:02,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:02,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:02,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:02,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:02,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:02,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:02,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:02,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:02,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:02,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:02,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:02,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:02,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:02,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:02,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:02,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:02,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:02,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:02,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:02,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:02,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:02,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:02,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:02,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:02,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:02,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:02,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:02,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:02,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:12:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:02,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:02,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:02,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:02,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:02,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:12:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:02,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:02,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:02,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:02,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:02,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:12:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:02,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:02,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:02,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:02,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:02,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:02,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:02,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:02,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:02,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:02,695 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 22:12:02,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945242304] [2020-10-27 22:12:02,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:02,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:12:02,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663425170] [2020-10-27 22:12:02,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:12:02,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:02,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:12:02,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:12:02,722 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-10-27 22:12:04,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:04,796 INFO L93 Difference]: Finished difference Result 292 states and 381 transitions. [2020-10-27 22:12:04,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:12:04,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-27 22:12:04,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:04,813 INFO L225 Difference]: With dead ends: 292 [2020-10-27 22:12:04,813 INFO L226 Difference]: Without dead ends: 156 [2020-10-27 22:12:04,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:12:04,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-10-27 22:12:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 124. [2020-10-27 22:12:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-27 22:12:04,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2020-10-27 22:12:04,913 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 53 [2020-10-27 22:12:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:04,913 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2020-10-27 22:12:04,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:12:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2020-10-27 22:12:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 22:12:04,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:04,918 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 22:12:04,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:12:04,918 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 22:12:04,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:04,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1972347577, now seen corresponding path program 1 times [2020-10-27 22:12:04,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:04,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058781854] [2020-10-27 22:12:04,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:04,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:05,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:05,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:12:07,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:12:07,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2641 [2020-10-27 22:12:07,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:12:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:07,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:08,023 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:08,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:08,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:08,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:08,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:08,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:12:08,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:08,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:08,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:08,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:08,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:08,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:08,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:08,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:08,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:08,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:08,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:08,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:08,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:08,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:08,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:08,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:08,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:08,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:08,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:08,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:08,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:08,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:08,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:08,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:08,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:08,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:08,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:08,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:08,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:08,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:08,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:08,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:08,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:08,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:08,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:08,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:08,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:08,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:12:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:08,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:08,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:08,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:08,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:08,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:08,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:08,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:08,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:08,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:08,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:08,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:08,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:08,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:08,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:08,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:12:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:08,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:08,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:08,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:08,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:08,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:08,200 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 22:12:08,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058781854] [2020-10-27 22:12:08,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:08,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:12:08,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048499330] [2020-10-27 22:12:08,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:12:08,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:08,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:12:08,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:12:08,210 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 4 states. [2020-10-27 22:12:08,836 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:09,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:09,887 INFO L93 Difference]: Finished difference Result 222 states and 268 transitions. [2020-10-27 22:12:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:12:09,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-27 22:12:09,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:09,890 INFO L225 Difference]: With dead ends: 222 [2020-10-27 22:12:09,891 INFO L226 Difference]: Without dead ends: 140 [2020-10-27 22:12:09,892 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 22:12:09,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-27 22:12:09,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 115. [2020-10-27 22:12:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-27 22:12:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2020-10-27 22:12:09,945 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 54 [2020-10-27 22:12:09,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:09,946 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2020-10-27 22:12:09,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:12:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2020-10-27 22:12:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 22:12:09,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:09,948 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] [2020-10-27 22:12:09,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:12:09,949 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 22:12:09,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:09,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1618770153, now seen corresponding path program 1 times [2020-10-27 22:12:09,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:09,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927422266] [2020-10-27 22:12:09,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:09,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:11,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:11,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 22:12:11,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:11,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1447 [2020-10-27 22:12:11,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:12:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 22:12:11,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:11,873 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:11,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:11,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:11,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:11,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:11,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:11,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 22:12:11,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:12:11,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:12,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:12,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:12,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:12,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:12,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:12,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:12,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:12,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:12,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:12,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:12,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:12,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:12,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:12:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:12,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:12,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:12,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 22:12:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:12,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:12,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:12,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:12,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 22:12:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:12,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:12,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:12,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:12,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:12,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,077 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 22:12:12,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927422266] [2020-10-27 22:12:12,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:12,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:12:12,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273515740] [2020-10-27 22:12:12,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:12:12,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:12,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:12:12,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:12:12,080 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 7 states. [2020-10-27 22:12:12,678 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:14,059 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:14,597 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:15,033 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:15,510 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:16,102 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:16,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:16,943 INFO L93 Difference]: Finished difference Result 319 states and 402 transitions. [2020-10-27 22:12:16,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:12:16,944 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-27 22:12:16,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:16,948 INFO L225 Difference]: With dead ends: 319 [2020-10-27 22:12:16,949 INFO L226 Difference]: Without dead ends: 228 [2020-10-27 22:12:16,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:12:16,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-27 22:12:17,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 205. [2020-10-27 22:12:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-27 22:12:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 244 transitions. [2020-10-27 22:12:17,023 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 244 transitions. Word has length 58 [2020-10-27 22:12:17,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:17,023 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 244 transitions. [2020-10-27 22:12:17,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:12:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 244 transitions. [2020-10-27 22:12:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 22:12:17,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:17,027 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] [2020-10-27 22:12:17,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:12:17,027 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 22:12:17,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:17,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1626866449, now seen corresponding path program 1 times [2020-10-27 22:12:17,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:17,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263516527] [2020-10-27 22:12:17,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:12:17,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 22:12:17,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 22:12:17,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,634 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:17,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:17,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 22:12:17,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:17,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:17,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:12:17,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:17,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:17,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:17,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:17,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:17,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:17,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:17,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:17,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:17,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:17,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:17,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:17,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:17,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:17,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:17,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:17,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:17,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:17,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 22:12:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:17,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:17,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:17,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 22:12:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:17,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:17,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:17,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:17,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:17,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 22:12:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:17,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:17,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:17,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:17,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:17,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:17,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:17,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:17,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:17,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:17,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:17,894 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 22:12:17,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263516527] [2020-10-27 22:12:17,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:17,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:12:17,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007346980] [2020-10-27 22:12:17,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:12:17,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:17,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:12:17,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:12:17,898 INFO L87 Difference]: Start difference. First operand 205 states and 244 transitions. Second operand 6 states. [2020-10-27 22:12:18,405 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:19,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:19,600 INFO L93 Difference]: Finished difference Result 408 states and 503 transitions. [2020-10-27 22:12:19,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:12:19,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-10-27 22:12:19,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:19,605 INFO L225 Difference]: With dead ends: 408 [2020-10-27 22:12:19,606 INFO L226 Difference]: Without dead ends: 227 [2020-10-27 22:12:19,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-27 22:12:19,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 201. [2020-10-27 22:12:19,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-27 22:12:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 236 transitions. [2020-10-27 22:12:19,667 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 236 transitions. Word has length 62 [2020-10-27 22:12:19,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:19,668 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 236 transitions. [2020-10-27 22:12:19,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:12:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 236 transitions. [2020-10-27 22:12:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:12:19,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:19,671 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] [2020-10-27 22:12:19,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:12:19,671 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 22:12:19,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:19,672 INFO L82 PathProgramCache]: Analyzing trace with hash 2066334460, now seen corresponding path program 1 times [2020-10-27 22:12:19,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:19,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783507172] [2020-10-27 22:12:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:19,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:19,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 22:12:22,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:12:22,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2319 [2020-10-27 22:12:22,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:22,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 22:12:22,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:12:22,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,434 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:22,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:22,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:12:22,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:22,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:22,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:22,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:22,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:22,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:22,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:22,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:22,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:22,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:22,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:22,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:22,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:22,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:22,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:22,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:12:22,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:22,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:22,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:22,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:22,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:22,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 22:12:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:22,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:22,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:22,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 22:12:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:22,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:12:22,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 22:12:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:22,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:22,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:22,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:22,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:12:22,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:22,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:22,615 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 22:12:22,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783507172] [2020-10-27 22:12:22,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:22,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:22,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986188771] [2020-10-27 22:12:22,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:22,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:22,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:22,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:22,619 INFO L87 Difference]: Start difference. First operand 201 states and 236 transitions. Second operand 9 states. [2020-10-27 22:12:23,704 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:25,176 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:25,778 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:12:26,256 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:12:27,106 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:27,538 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:12:28,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:28,082 INFO L93 Difference]: Finished difference Result 536 states and 680 transitions. [2020-10-27 22:12:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:12:28,083 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-10-27 22:12:28,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:28,086 INFO L225 Difference]: With dead ends: 536 [2020-10-27 22:12:28,086 INFO L226 Difference]: Without dead ends: 192 [2020-10-27 22:12:28,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:12:28,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-10-27 22:12:28,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 178. [2020-10-27 22:12:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-27 22:12:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 200 transitions. [2020-10-27 22:12:28,139 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 200 transitions. Word has length 70 [2020-10-27 22:12:28,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:28,139 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 200 transitions. [2020-10-27 22:12:28,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 200 transitions. [2020-10-27 22:12:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:12:28,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:28,141 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] [2020-10-27 22:12:28,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:12:28,142 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 22:12:28,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:28,143 INFO L82 PathProgramCache]: Analyzing trace with hash -598035065, now seen corresponding path program 1 times [2020-10-27 22:12:28,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:28,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236981207] [2020-10-27 22:12:28,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:28,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:31,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:31,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 22:12:31,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3661 [2020-10-27 22:12:31,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-27 22:12:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:12:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,253 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:32,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:32,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:12:32,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:32,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:32,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:32,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:32,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:32,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:32,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:32,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:32,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:32,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:32,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:32,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:32,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:32,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:32,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:32,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:32,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:32,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:32,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:12:32,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:32,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:32,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:12:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:32,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:32,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:32,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:32,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:32,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:32,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 22:12:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:32,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:32,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:32,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 22:12:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:32,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:32,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:32,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:32,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 22:12:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:32,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:32,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:32,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:32,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:32,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:32,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:32,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:32,459 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 22:12:32,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236981207] [2020-10-27 22:12:32,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:32,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:32,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371976154] [2020-10-27 22:12:32,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:32,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:32,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:32,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:32,461 INFO L87 Difference]: Start difference. First operand 178 states and 200 transitions. Second operand 9 states. [2020-10-27 22:12:33,068 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:34,755 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:35,210 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:35,580 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:36,151 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:36,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:36,428 INFO L93 Difference]: Finished difference Result 348 states and 413 transitions. [2020-10-27 22:12:36,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:12:36,429 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-27 22:12:36,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:36,433 INFO L225 Difference]: With dead ends: 348 [2020-10-27 22:12:36,433 INFO L226 Difference]: Without dead ends: 264 [2020-10-27 22:12:36,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:12:36,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-27 22:12:36,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 246. [2020-10-27 22:12:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-27 22:12:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 281 transitions. [2020-10-27 22:12:36,505 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 281 transitions. Word has length 84 [2020-10-27 22:12:36,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:36,506 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 281 transitions. [2020-10-27 22:12:36,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:36,506 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 281 transitions. [2020-10-27 22:12:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:12:36,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:36,508 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] [2020-10-27 22:12:36,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:12:36,509 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 22:12:36,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:36,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1034768934, now seen corresponding path program 1 times [2020-10-27 22:12:36,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:36,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093049004] [2020-10-27 22:12:36,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 22:12:36,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-27 22:12:36,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:36,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-27 22:12:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,147 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:37,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:37,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:12:37,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:37,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:37,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:37,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:37,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:37,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:37,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:37,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:37,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:37,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:37,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:37,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:37,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:12:37,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:12:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:37,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:12:37,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:37,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:12:37,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:37,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:37,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:37,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:37,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:37,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:37,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 22:12:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:37,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:37,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 22:12:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:37,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:37,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 22:12:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:37,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:37,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:37,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:37,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:37,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:37,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:37,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:37,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:37,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:37,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:37,342 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 22:12:37,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093049004] [2020-10-27 22:12:37,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:37,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:12:37,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002138068] [2020-10-27 22:12:37,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:12:37,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:37,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:12:37,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:37,351 INFO L87 Difference]: Start difference. First operand 246 states and 281 transitions. Second operand 8 states. [2020-10-27 22:12:38,492 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:38,861 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:39,273 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:39,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:39,980 INFO L93 Difference]: Finished difference Result 419 states and 492 transitions. [2020-10-27 22:12:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:12:39,981 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-27 22:12:39,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:39,983 INFO L225 Difference]: With dead ends: 419 [2020-10-27 22:12:39,983 INFO L226 Difference]: Without dead ends: 265 [2020-10-27 22:12:39,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:12:39,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-10-27 22:12:40,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2020-10-27 22:12:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-27 22:12:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 280 transitions. [2020-10-27 22:12:40,049 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 280 transitions. Word has length 84 [2020-10-27 22:12:40,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:40,050 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 280 transitions. [2020-10-27 22:12:40,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:12:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 280 transitions. [2020-10-27 22:12:40,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:12:40,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:40,052 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] [2020-10-27 22:12:40,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:12:40,052 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 22:12:40,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:40,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1209214364, now seen corresponding path program 1 times [2020-10-27 22:12:40,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:40,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013924224] [2020-10-27 22:12:40,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 22:12:40,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-27 22:12:40,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-27 22:12:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:40,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,808 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:40,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:40,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:12:40,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:40,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:40,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:40,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:40,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:40,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:40,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:40,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:12:40,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:40,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:12:40,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:40,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:12:40,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:12:40,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:41,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:41,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:41,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:41,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:41,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:41,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:41,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 22:12:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:41,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:41,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:41,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 22:12:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:41,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:41,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:41,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:41,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:41,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 22:12:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:41,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:41,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:41,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:41,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,044 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 22:12:41,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013924224] [2020-10-27 22:12:41,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:41,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:41,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564901827] [2020-10-27 22:12:41,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:41,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:41,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:41,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:41,048 INFO L87 Difference]: Start difference. First operand 246 states and 280 transitions. Second operand 9 states. [2020-10-27 22:12:42,430 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:42,831 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:43,264 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:43,656 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:44,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:44,397 INFO L93 Difference]: Finished difference Result 494 states and 585 transitions. [2020-10-27 22:12:44,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:12:44,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-27 22:12:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:44,401 INFO L225 Difference]: With dead ends: 494 [2020-10-27 22:12:44,402 INFO L226 Difference]: Without dead ends: 272 [2020-10-27 22:12:44,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:12:44,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-27 22:12:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 253. [2020-10-27 22:12:44,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-10-27 22:12:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 287 transitions. [2020-10-27 22:12:44,460 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 287 transitions. Word has length 84 [2020-10-27 22:12:44,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:44,460 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 287 transitions. [2020-10-27 22:12:44,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 287 transitions. [2020-10-27 22:12:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 22:12:44,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:44,463 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] [2020-10-27 22:12:44,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:12:44,463 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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 22:12:44,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:44,464 INFO L82 PathProgramCache]: Analyzing trace with hash -39493735, now seen corresponding path program 1 times [2020-10-27 22:12:44,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:44,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416192005] [2020-10-27 22:12:44,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:44,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 22:12:48,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:48,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4409 [2020-10-27 22:12:48,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:12:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 22:12:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:12:48,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,346 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:49,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:49,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 22:12:49,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:49,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:49,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:49,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:49,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:49,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:49,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:49,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:49,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:49,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:49,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 22:12:49,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:12:49,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:12:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 22:12:49,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:49,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:49,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:49,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:49,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 22:12:49,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:12:49,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:12:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:12:49,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:12:49,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 22:12:49,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:12:49,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:49,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:49,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:49,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 22:12:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:49,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:49,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 22:12:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:49,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:49,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 22:12:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:49,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:49,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:49,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:49,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:49,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:49,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:49,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:49,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:49,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:49,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:49,838 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 22:12:49,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416192005] [2020-10-27 22:12:49,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:49,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 22:12:49,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309345129] [2020-10-27 22:12:49,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:12:49,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:49,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:12:49,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:12:49,841 INFO L87 Difference]: Start difference. First operand 253 states and 287 transitions. Second operand 13 states. [2020-10-27 22:12:51,218 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:52,329 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:52,851 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:53,325 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:53,751 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:54,239 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 22:12:54,720 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:12:55,147 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:55,567 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:12:56,072 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 22:12:56,631 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:12:57,331 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:12:57,767 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:12:58,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:58,480 INFO L93 Difference]: Finished difference Result 672 states and 816 transitions. [2020-10-27 22:12:58,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 22:12:58,481 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 96 [2020-10-27 22:12:58,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:58,482 INFO L225 Difference]: With dead ends: 672 [2020-10-27 22:12:58,482 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:12:58,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2020-10-27 22:12:58,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:12:58,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:12:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:12:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:12:58,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2020-10-27 22:12:58,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:58,486 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:12:58,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:12:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:12:58,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:12:58,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:12:58,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:13:01,146 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 230 [2020-10-27 22:13:02,995 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 16 [2020-10-27 22:13:04,277 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 24 [2020-10-27 22:13:04,584 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 16 [2020-10-27 22:13:05,337 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 8 [2020-10-27 22:13:05,925 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 8 [2020-10-27 22:13:06,222 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-27 22:13:06,499 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:07,298 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 8 [2020-10-27 22:13:07,581 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:07,903 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-27 22:13:09,059 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 182 DAG size of output: 35 [2020-10-27 22:13:09,684 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 17 [2020-10-27 22:13:10,880 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 173 DAG size of output: 23 [2020-10-27 22:13:11,218 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:13:11,872 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2020-10-27 22:13:12,159 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 22:13:12,773 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 12 [2020-10-27 22:13:13,380 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 8 [2020-10-27 22:13:13,689 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-27 22:13:14,248 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 8 [2020-10-27 22:13:14,528 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:15,567 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 175 DAG size of output: 30 [2020-10-27 22:13:15,841 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:16,400 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 16 [2020-10-27 22:13:17,333 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 17 [2020-10-27 22:13:17,993 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 18 [2020-10-27 22:13:18,301 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-27 22:13:18,579 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:19,118 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 8 [2020-10-27 22:13:19,986 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 14 [2020-10-27 22:13:20,310 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-27 22:13:20,626 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-27 22:13:20,923 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:21,236 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-27 22:13:21,547 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-27 22:13:21,846 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:22,183 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-10-27 22:13:22,564 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:23,478 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 20 [2020-10-27 22:13:23,836 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 13 [2020-10-27 22:13:23,922 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 22:13:23,922 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 22:13:23,922 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 22:13:23,922 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 22:13:23,922 INFO L274 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-10-27 22:13:23,922 INFO L274 CegarLoopResult]: For program point L637-1(lines 637 641) no Hoare annotation was computed. [2020-10-27 22:13:23,922 INFO L274 CegarLoopResult]: For program point L632(line 632) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point L631-2(lines 631 652) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 606 661) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point L653(lines 630 654) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 606 661) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 606 661) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 662 721) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point L694-1(lines 694 698) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point L689(line 689) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 662 721) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point L688-2(lines 688 713) no Hoare annotation was computed. [2020-10-27 22:13:23,923 INFO L274 CegarLoopResult]: For program point L714(lines 687 715) no Hoare annotation was computed. [2020-10-27 22:13:23,924 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 662 721) no Hoare annotation was computed. [2020-10-27 22:13:23,924 INFO L274 CegarLoopResult]: For program point L707(line 707) no Hoare annotation was computed. [2020-10-27 22:13:23,924 INFO L274 CegarLoopResult]: For program point L707-1(line 707) no Hoare annotation was computed. [2020-10-27 22:13:23,924 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-10-27 22:13:23,924 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-27 22:13:23,924 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-10-27 22:13:23,924 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-10-27 22:13:23,924 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-10-27 22:13:23,925 INFO L270 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:23,925 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 530 552) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:23,925 INFO L270 CegarLoopResult]: At program point L542-1(line 542) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:23,925 INFO L274 CegarLoopResult]: For program point L540(lines 540 547) no Hoare annotation was computed. [2020-10-27 22:13:23,925 INFO L274 CegarLoopResult]: For program point L540-1(lines 540 547) no Hoare annotation was computed. [2020-10-27 22:13:23,925 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-27 22:13:23,926 INFO L270 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:23,926 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 530 552) no Hoare annotation was computed. [2020-10-27 22:13:23,926 INFO L270 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:23,926 INFO L270 CegarLoopResult]: At program point L536-1(line 536) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:23,926 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 530 552) no Hoare annotation was computed. [2020-10-27 22:13:23,926 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 489 512) no Hoare annotation was computed. [2020-10-27 22:13:23,926 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 489 512) no Hoare annotation was computed. [2020-10-27 22:13:23,926 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 489 512) no Hoare annotation was computed. [2020-10-27 22:13:23,926 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 22:13:23,927 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 195 203) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 195 203) the Hoare annotation is: true [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 195 203) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point L223(lines 223 231) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point L223-2(lines 223 231) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point L211(lines 211 219) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point L211-2(lines 211 219) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 204 239) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point L234-1(line 234) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 204 239) no Hoare annotation was computed. [2020-10-27 22:13:23,928 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 204 239) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 560 605) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 560 605) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 560 605) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point L897(lines 897 898) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point L893(lines 893 900) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 873 918) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point L887(lines 887 907) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point L887-1(lines 887 907) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 897 898) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 904 905) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 873 918) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point L904(lines 904 905) no Hoare annotation was computed. [2020-10-27 22:13:23,929 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 873 918) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 520 529) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 520 529) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 520 529) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 184 194) the Hoare annotation is: true [2020-10-27 22:13:23,930 INFO L277 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: true [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point L189-1(line 189) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 184 194) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 184 194) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 176 183) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 176 183) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 176 183) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 443 456) no Hoare annotation was computed. [2020-10-27 22:13:23,930 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 443 456) the Hoare annotation is: true [2020-10-27 22:13:23,931 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 443 456) no Hoare annotation was computed. [2020-10-27 22:13:23,931 INFO L274 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2020-10-27 22:13:23,931 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 125 149) no Hoare annotation was computed. [2020-10-27 22:13:23,931 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 125 149) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:23,931 INFO L270 CegarLoopResult]: At program point L144(line 144) 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 22:13:23,931 INFO L274 CegarLoopResult]: For program point L144-1(lines 125 149) no Hoare annotation was computed. [2020-10-27 22:13:23,931 INFO L270 CegarLoopResult]: At program point L139(line 139) 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 22:13:23,931 INFO L270 CegarLoopResult]: At program point L135(line 135) 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 .cse0 (and (<= ~waterLevel~0 1) .cse1) (and .cse1 (<= 1 processEnvironment_~tmp~0)))))) [2020-10-27 22:13:23,932 INFO L274 CegarLoopResult]: For program point L133(lines 133 141) no Hoare annotation was computed. [2020-10-27 22:13:23,932 INFO L270 CegarLoopResult]: At program point L131(line 131) 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 22:13:23,932 INFO L274 CegarLoopResult]: For program point L131-1(line 131) no Hoare annotation was computed. [2020-10-27 22:13:23,932 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 117 123) no Hoare annotation was computed. [2020-10-27 22:13:23,932 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 117 123) the Hoare annotation is: true [2020-10-27 22:13:23,932 INFO L270 CegarLoopResult]: At program point testENTRY(lines 263 326) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:23,933 INFO L270 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0))) (not (= 1 ~systemActive~0)))) [2020-10-27 22:13:23,933 INFO L270 CegarLoopResult]: At program point L316(lines 273 318) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0))) (not (= 1 ~systemActive~0)))) [2020-10-27 22:13:23,934 INFO L274 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2020-10-27 22:13:23,934 INFO L274 CegarLoopResult]: For program point L283-1(lines 283 289) no Hoare annotation was computed. [2020-10-27 22:13:23,934 INFO L274 CegarLoopResult]: For program point testFINAL(lines 263 326) no Hoare annotation was computed. [2020-10-27 22:13:23,934 INFO L274 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-10-27 22:13:23,934 INFO L270 CegarLoopResult]: At program point L319(lines 272 320) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:23,934 INFO L274 CegarLoopResult]: For program point L309(lines 309 313) no Hoare annotation was computed. [2020-10-27 22:13:23,934 INFO L270 CegarLoopResult]: At program point L309-2(lines 303 314) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)))) [2020-10-27 22:13:23,934 INFO L274 CegarLoopResult]: For program point L274(lines 273 318) no Hoare annotation was computed. [2020-10-27 22:13:23,934 INFO L274 CegarLoopResult]: For program point L303(lines 303 314) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L270 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)))) [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point L293(lines 293 299) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point testEXIT(lines 263 326) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 851 852) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 858 859) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point L858(lines 858 859) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 827 872) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 827 872) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point L851(lines 851 852) no Hoare annotation was computed. [2020-10-27 22:13:23,935 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 827 872) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point L847(lines 847 854) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point L841(lines 841 861) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point L841-1(lines 841 861) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L270 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 150 157) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 150 157) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 150 157) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point L419-2(lines 419 427) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 411 433) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 411 433) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 411 433) no Hoare annotation was computed. [2020-10-27 22:13:23,936 INFO L274 CegarLoopResult]: For program point L419(lines 419 427) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 724 826) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point L748(lines 748 752) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point L812(lines 812 823) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point L775(lines 775 779) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 724 826) no Hoare annotation was computed. [2020-10-27 22:13:23,937 INFO L274 CegarLoopResult]: For program point L773-2(lines 773 793) no Hoare annotation was computed. [2020-10-27 22:13:23,938 INFO L274 CegarLoopResult]: For program point L794(lines 772 795) no Hoare annotation was computed. [2020-10-27 22:13:23,938 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 724 826) no Hoare annotation was computed. [2020-10-27 22:13:23,938 INFO L274 CegarLoopResult]: For program point L753(lines 753 769) no Hoare annotation was computed. [2020-10-27 22:13:23,938 INFO L274 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-10-27 22:13:23,938 INFO L274 CegarLoopResult]: For program point L774(lines 773 793) no Hoare annotation was computed. [2020-10-27 22:13:23,938 INFO L274 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-27 22:13:23,938 INFO L274 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-10-27 22:13:23,938 INFO L274 CegarLoopResult]: For program point L770(lines 770 811) no Hoare annotation was computed. [2020-10-27 22:13:23,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:23,939 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 22:13:23,939 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:23,939 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 159 175) no Hoare annotation was computed. [2020-10-27 22:13:23,939 INFO L270 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:23,939 INFO L274 CegarLoopResult]: For program point L170-1(lines 159 175) no Hoare annotation was computed. [2020-10-27 22:13:23,939 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 159 175) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:23,939 INFO L274 CegarLoopResult]: For program point L166(lines 166 172) no Hoare annotation was computed. [2020-10-27 22:13:23,940 INFO L270 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:23,940 INFO L274 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-10-27 22:13:23,940 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 240 258) no Hoare annotation was computed. [2020-10-27 22:13:23,940 INFO L274 CegarLoopResult]: For program point L249(lines 249 253) no Hoare annotation was computed. [2020-10-27 22:13:23,940 INFO L277 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: true [2020-10-27 22:13:23,940 INFO L274 CegarLoopResult]: For program point L249-2(lines 249 253) no Hoare annotation was computed. [2020-10-27 22:13:23,940 INFO L274 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-10-27 22:13:23,940 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 240 258) the Hoare annotation is: true [2020-10-27 22:13:23,940 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 240 258) no Hoare annotation was computed. [2020-10-27 22:13:23,940 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 434 442) the Hoare annotation is: true [2020-10-27 22:13:23,940 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 434 442) no Hoare annotation was computed. [2020-10-27 22:13:23,940 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 434 442) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 390 401) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-27 22:13:23,941 INFO L274 CegarLoopResult]: For program point L394-1(lines 390 401) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 390 401) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 402 410) the Hoare annotation is: true [2020-10-27 22:13:23,941 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 402 410) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 402 410) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L274 CegarLoopResult]: For program point L97(lines 96 115) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 93 116) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:23,941 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 93 116) no Hoare annotation was computed. [2020-10-27 22:13:23,941 INFO L270 CegarLoopResult]: At program point L106(line 106) 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 22:13:23,941 INFO L270 CegarLoopResult]: At program point L104(lines 104 110) the Hoare annotation is: (let ((.cse2 (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0))) (.cse4 (= 1 ~systemActive~0))) (let ((.cse0 (and .cse2 .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not .cse4))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) (and (<= ~waterLevel~0 1) .cse1) .cse3 (and .cse1 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0))))) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0 .cse3)))) [2020-10-27 22:13:23,942 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 93 116) no Hoare annotation was computed. [2020-10-27 22:13:23,942 INFO L270 CegarLoopResult]: At program point L99(line 99) 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 22:13:23,942 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 22:13:23,942 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 459 488) no Hoare annotation was computed. [2020-10-27 22:13:23,942 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 459 488) the Hoare annotation is: true [2020-10-27 22:13:23,942 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-10-27 22:13:23,942 INFO L277 CegarLoopResult]: At program point L473-1(lines 473 477) the Hoare annotation is: true [2020-10-27 22:13:23,942 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-27 22:13:23,942 INFO L277 CegarLoopResult]: At program point L469-2(lines 469 483) the Hoare annotation is: true [2020-10-27 22:13:23,942 INFO L277 CegarLoopResult]: At program point L465(line 465) the Hoare annotation is: true [2020-10-27 22:13:23,942 INFO L274 CegarLoopResult]: For program point L465-1(line 465) no Hoare annotation was computed. [2020-10-27 22:13:23,943 INFO L277 CegarLoopResult]: At program point L484(lines 459 488) the Hoare annotation is: true [2020-10-27 22:13:23,943 INFO L270 CegarLoopResult]: At program point L353(line 353) 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 22:13:23,943 INFO L274 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2020-10-27 22:13:23,943 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 330 362) no Hoare annotation was computed. [2020-10-27 22:13:23,943 INFO L270 CegarLoopResult]: At program point L347(line 347) 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 22:13:23,943 INFO L274 CegarLoopResult]: For program point L347-1(line 347) no Hoare annotation was computed. [2020-10-27 22:13:23,943 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 330 362) the Hoare annotation is: true [2020-10-27 22:13:23,943 INFO L274 CegarLoopResult]: For program point L345(lines 345 358) no Hoare annotation was computed. [2020-10-27 22:13:23,943 INFO L274 CegarLoopResult]: For program point L345-1(lines 330 362) no Hoare annotation was computed. [2020-10-27 22:13:23,944 INFO L270 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:23,944 INFO L274 CegarLoopResult]: For program point L343-1(line 343) no Hoare annotation was computed. [2020-10-27 22:13:23,944 INFO L274 CegarLoopResult]: For program point L339(lines 339 359) no Hoare annotation was computed. [2020-10-27 22:13:23,944 INFO L277 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: true [2020-10-27 22:13:23,944 INFO L274 CegarLoopResult]: For program point L337-1(line 337) no Hoare annotation was computed. [2020-10-27 22:13:23,944 INFO L274 CegarLoopResult]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2020-10-27 22:13:23,944 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 366 377) 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 22:13:23,944 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 366 377) no Hoare annotation was computed. [2020-10-27 22:13:23,944 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 513 519) no Hoare annotation was computed. [2020-10-27 22:13:23,944 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 513 519) the Hoare annotation is: true [2020-10-27 22:13:23,944 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:23,944 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-10-27 22:13:23,944 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:13:23,944 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:23,944 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 378 389) no Hoare annotation was computed. [2020-10-27 22:13:23,945 INFO L274 CegarLoopResult]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2020-10-27 22:13:23,945 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 378 389) 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 22:13:23,945 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 920 927) no Hoare annotation was computed. [2020-10-27 22:13:23,945 INFO L274 CegarLoopResult]: For program point L924(line 924) no Hoare annotation was computed. [2020-10-27 22:13:23,945 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 920 927) the Hoare annotation is: true [2020-10-27 22:13:23,945 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 920 927) no Hoare annotation was computed. [2020-10-27 22:13:23,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:13:23 BoogieIcfgContainer [2020-10-27 22:13:23,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:13:23,964 INFO L168 Benchmark]: Toolchain (without parser) took 88323.42 ms. Allocated memory was 165.7 MB in the beginning and 596.6 MB in the end (delta: 431.0 MB). Free memory was 140.8 MB in the beginning and 384.3 MB in the end (delta: -243.6 MB). Peak memory consumption was 362.3 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:23,965 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:13:23,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.30 ms. Allocated memory is still 165.7 MB. Free memory was 140.2 MB in the beginning and 119.0 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:23,966 INFO L168 Benchmark]: Boogie Preprocessor took 98.41 ms. Allocated memory is still 165.7 MB. Free memory was 119.0 MB in the beginning and 115.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:23,966 INFO L168 Benchmark]: RCFGBuilder took 1547.71 ms. Allocated memory is still 165.7 MB. Free memory was 115.0 MB in the beginning and 89.4 MB in the end (delta: 25.6 MB). Peak memory consumption was 34.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:23,967 INFO L168 Benchmark]: TraceAbstraction took 85993.70 ms. Allocated memory was 165.7 MB in the beginning and 596.6 MB in the end (delta: 431.0 MB). Free memory was 88.9 MB in the beginning and 384.3 MB in the end (delta: -295.5 MB). Peak memory consumption was 309.6 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:23,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 669.30 ms. Allocated memory is still 165.7 MB. Free memory was 140.2 MB in the beginning and 119.0 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.41 ms. Allocated memory is still 165.7 MB. Free memory was 119.0 MB in the beginning and 115.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1547.71 ms. Allocated memory is still 165.7 MB. Free memory was 115.0 MB in the beginning and 89.4 MB in the end (delta: 25.6 MB). Peak memory consumption was 34.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 85993.70 ms. Allocated memory was 165.7 MB in the beginning and 596.6 MB in the end (delta: 431.0 MB). Free memory was 88.9 MB in the beginning and 384.3 MB in the end (delta: -295.5 MB). Peak memory consumption was 309.6 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: 858]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 851]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 897]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 904]: 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: 273]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && splverifierCounter <= 0) && pumpRunning == \old(pumpRunning)) || ((pumpRunning + 1 <= 0 || 0 < pumpRunning) && splverifierCounter <= 0)) || !(\old(waterLevel) == 1)) || ((splverifierCounter <= 0 && pumpRunning == \old(pumpRunning)) && (methaneLevelCritical + 1 <= 0 || 1 <= methaneLevelCritical))) || !(1 == systemActive) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: !(\old(waterLevel) == 1) || !(1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 237 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 60.4s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 34.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 962 SDtfs, 1521 SDslu, 856 SDs, 0 SdLazy, 4673 SolverSat, 886 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 214 SyntacticMatches, 2 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 176 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 796 PreInvPairs, 973 NumberOfFragments, 1002 HoareAnnotationTreeSize, 796 FomulaSimplifications, 743630 FormulaSimplificationTreeSizeReduction, 6.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 41425 FormulaSimplificationTreeSizeReductionInter, 19.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 24.6s InterpolantComputationTime, 645 NumberOfCodeBlocks, 645 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 636 ConstructedInterpolants, 0 QuantifiedInterpolants, 209013 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...