/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:41:13,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:41:13,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:41:13,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:41:13,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:41:13,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:41:13,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:41:13,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:41:13,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:41:13,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:41:13,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:41:13,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:41:13,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:41:13,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:41:13,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:41:13,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:41:13,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:41:13,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:41:13,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:41:13,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:41:13,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:41:13,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:41:13,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:41:13,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:41:13,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:41:13,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:41:13,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:41:13,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:41:13,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:41:13,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:41:13,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:41:13,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:41:13,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:41:13,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:41:13,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:41:13,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:41:13,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:41:13,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:41:13,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:41:13,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:41:13,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:41:13,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:41:13,583 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:41:13,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:41:13,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:41:13,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:41:13,588 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:41:13,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:41:13,589 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:41:13,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:41:13,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:41:13,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:41:13,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:41:13,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:41:13,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:41:13,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:41:13,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:41:13,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:41:13,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:41:13,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:41:13,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:41:13,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:41:13,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:41:13,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:41:13,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:41:13,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:41:13,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:41:13,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:41:13,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:41:13,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:41:13,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:41:13,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:41:14,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:41:14,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:41:14,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:41:14,059 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:41:14,060 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:41:14,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-10-28 16:41:14,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78eb015b7/d68132811e1849728597016334c6a742/FLAG35184f91f [2020-10-28 16:41:14,928 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:41:14,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-10-28 16:41:14,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78eb015b7/d68132811e1849728597016334c6a742/FLAG35184f91f [2020-10-28 16:41:15,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78eb015b7/d68132811e1849728597016334c6a742 [2020-10-28 16:41:15,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:41:15,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:41:15,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:41:15,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:41:15,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:41:15,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:41:15" (1/1) ... [2020-10-28 16:41:15,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7038f343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15, skipping insertion in model container [2020-10-28 16:41:15,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:41:15" (1/1) ... [2020-10-28 16:41:15,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:41:15,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:41:15,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:41:15,574 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:41:15,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:41:15,699 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:41:15,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15 WrapperNode [2020-10-28 16:41:15,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:41:15,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:41:15,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:41:15,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:41:15,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15" (1/1) ... [2020-10-28 16:41:15,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15" (1/1) ... [2020-10-28 16:41:15,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15" (1/1) ... [2020-10-28 16:41:15,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15" (1/1) ... [2020-10-28 16:41:15,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15" (1/1) ... [2020-10-28 16:41:15,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15" (1/1) ... [2020-10-28 16:41:15,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15" (1/1) ... [2020-10-28 16:41:15,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:41:15,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:41:15,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:41:15,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:41:15,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:41:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:41:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:41:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:41:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:41:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:41:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:41:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:41:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:41:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:41:15,924 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-28 16:41:15,926 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:41:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:41:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:41:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:41:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:41:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 16:41:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:41:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:41:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:41:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:41:15,931 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:41:15,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:41:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:41:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:41:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:41:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:41:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:41:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:41:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:41:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:41:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:41:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:41:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:41:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:41:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 16:41:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:41:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:41:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:41:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:41:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:41:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:41:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:41:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:41:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:41:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:41:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:41:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:41:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:41:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:41:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:41:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:41:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:41:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:41:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:41:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:41:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:41:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 16:41:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:41:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:41:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:41:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:41:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:41:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:41:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:41:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 16:41:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:41:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:41:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-28 16:41:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:41:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:41:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:41:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:41:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:41:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:41:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:41:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:41:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:41:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:41:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:41:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:41:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:41:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:41:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:41:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:41:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:41:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:41:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:41:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:41:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:41:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:41:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:41:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:41:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:41:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:41:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:41:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:41:17,288 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:41:17,288 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:41:17,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:41:17 BoogieIcfgContainer [2020-10-28 16:41:17,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:41:17,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:41:17,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:41:17,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:41:17,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:41:15" (1/3) ... [2020-10-28 16:41:17,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a791b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:41:17, skipping insertion in model container [2020-10-28 16:41:17,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:15" (2/3) ... [2020-10-28 16:41:17,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a791b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:41:17, skipping insertion in model container [2020-10-28 16:41:17,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:41:17" (3/3) ... [2020-10-28 16:41:17,300 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2020-10-28 16:41:17,313 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:41:17,319 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:41:17,333 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:41:17,362 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:41:17,362 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:41:17,362 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:41:17,363 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:41:17,363 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:41:17,363 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:41:17,363 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:41:17,363 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:41:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-10-28 16:41:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:41:17,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:17,412 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:41:17,413 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:41:17,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:17,432 INFO L82 PathProgramCache]: Analyzing trace with hash 2088823162, now seen corresponding path program 1 times [2020-10-28 16:41:17,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:17,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131509415] [2020-10-28 16:41:17,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:17,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:17,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:20,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:20,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:22,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:22,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:41:22,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:41:22,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 16:41:22,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:22,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:22,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:22,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:41:22,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:22,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-28 16:41:23,184 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:23,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:23,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:23,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:23,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:23,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:23,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 16:41:23,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:23,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:23,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:23,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:23,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:23,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:23,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:41:23,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:23,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:23,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:23,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:23,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:23,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:23,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:23,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:23,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:23,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:23,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:23,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:23,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:23,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:23,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:23,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:23,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:23,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:23,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:23,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:23,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:23,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:23,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:23,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:23,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:23,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:23,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:23,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:23,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:23,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:41:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:23,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:23,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:23,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:23,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:23,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:23,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:23,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:23,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:23,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:23,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:41:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:23,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:23,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:23,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:23,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:23,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:23,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:23,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:23,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131509415] [2020-10-28 16:41:23,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:23,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:41:23,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498112208] [2020-10-28 16:41:23,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:41:23,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:23,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:41:23,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:41:23,399 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 3 states. [2020-10-28 16:41:24,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:24,759 INFO L93 Difference]: Finished difference Result 317 states and 414 transitions. [2020-10-28 16:41:24,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:41:24,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:41:24,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:24,778 INFO L225 Difference]: With dead ends: 317 [2020-10-28 16:41:24,778 INFO L226 Difference]: Without dead ends: 170 [2020-10-28 16:41:24,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:41:24,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-28 16:41:24,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 135. [2020-10-28 16:41:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-28 16:41:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 159 transitions. [2020-10-28 16:41:24,884 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 159 transitions. Word has length 47 [2020-10-28 16:41:24,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:24,884 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 159 transitions. [2020-10-28 16:41:24,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:41:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2020-10-28 16:41:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:41:24,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:24,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:41:24,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:41:24,890 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:41:24,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:24,893 INFO L82 PathProgramCache]: Analyzing trace with hash -798557486, now seen corresponding path program 1 times [2020-10-28 16:41:24,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:24,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249420461] [2020-10-28 16:41:24,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:24,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:25,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:25,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:29,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:29,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:41:29,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:41:29,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:41:29,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:29,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:41:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:41:29,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:30,285 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:30,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:30,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:30,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:30,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:30,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 16:41:30,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:30,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:30,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:30,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:30,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:30,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:30,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:30,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:30,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:30,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:30,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:30,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:30,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:30,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:41:30,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:30,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:30,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:30,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:30,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:30,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:30,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:30,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:30,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:30,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:30,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:30,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:30,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:30,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:30,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:30,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:30,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:30,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:30,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:30,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:30,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:30,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:41:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:30,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:30,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:30,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:30,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:30,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:30,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:30,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:30,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:30,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:41:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:30,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:30,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:30,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:30,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:30,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:30,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:30,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249420461] [2020-10-28 16:41:30,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:30,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:41:30,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843852573] [2020-10-28 16:41:30,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:41:30,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:30,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:41:30,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:41:30,446 INFO L87 Difference]: Start difference. First operand 135 states and 159 transitions. Second operand 4 states. [2020-10-28 16:41:30,973 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:32,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:32,016 INFO L93 Difference]: Finished difference Result 243 states and 297 transitions. [2020-10-28 16:41:32,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:41:32,017 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:41:32,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:32,020 INFO L225 Difference]: With dead ends: 243 [2020-10-28 16:41:32,020 INFO L226 Difference]: Without dead ends: 154 [2020-10-28 16:41:32,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:41:32,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-28 16:41:32,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 126. [2020-10-28 16:41:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-28 16:41:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-10-28 16:41:32,077 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 48 [2020-10-28 16:41:32,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:32,078 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-10-28 16:41:32,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:41:32,078 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-10-28 16:41:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:41:32,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:32,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:41:32,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:41:32,081 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:41:32,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:32,082 INFO L82 PathProgramCache]: Analyzing trace with hash -249701323, now seen corresponding path program 1 times [2020-10-28 16:41:32,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:32,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942357533] [2020-10-28 16:41:32,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:32,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:32,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:32,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:34,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:34,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:41:34,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:41:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2508 [2020-10-28 16:41:34,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:34,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:41:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:41:34,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:34,963 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:34,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:34,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:35,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:35,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:35,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:35,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 16:41:35,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:35,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:41:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:35,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:35,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:35,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:35,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:35,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:35,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:35,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:35,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:35,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:35,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:35,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:35,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:35,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:35,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:35,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:35,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:35,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:35,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:35,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:35,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:35,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:35,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:35,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:35,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:35,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:35,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:35,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:35,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:35,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:35,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:35,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:35,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:35,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:35,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:35,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:35,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:35,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:35,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:35,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:35,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:35,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:35,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:35,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:41:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:35,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:35,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:35,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:35,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:35,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:35,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:35,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:35,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:35,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:35,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:35,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:35,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:41:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:35,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:35,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:35,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:35,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:35,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:35,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:35,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:35,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:35,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:35,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942357533] [2020-10-28 16:41:35,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:35,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:41:35,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776357586] [2020-10-28 16:41:35,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:41:35,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:35,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:41:35,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:41:35,147 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 5 states. [2020-10-28 16:41:35,548 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:36,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:36,547 INFO L93 Difference]: Finished difference Result 256 states and 315 transitions. [2020-10-28 16:41:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:41:36,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:41:36,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:36,552 INFO L225 Difference]: With dead ends: 256 [2020-10-28 16:41:36,552 INFO L226 Difference]: Without dead ends: 154 [2020-10-28 16:41:36,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:41:36,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-28 16:41:36,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 126. [2020-10-28 16:41:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-28 16:41:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2020-10-28 16:41:36,606 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 53 [2020-10-28 16:41:36,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:36,607 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2020-10-28 16:41:36,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:41:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2020-10-28 16:41:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 16:41:36,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:36,610 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] [2020-10-28 16:41:36,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:41:36,610 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:41:36,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:36,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1758875657, now seen corresponding path program 1 times [2020-10-28 16:41:36,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:36,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632741126] [2020-10-28 16:41:36,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:36,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:36,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:37,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:37,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:40,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:40,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:40,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:41,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:41,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 16:41:41,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 16:41:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 16:41:41,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:41,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:41:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:41:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:41:41,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:41,964 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:41,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:41,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:42,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:42,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:41:42,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:42,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:42,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:42,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:42,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:42,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:42,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:42,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:42,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:42,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:42,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:42,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:42,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:42,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:42,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:42,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:42,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:42,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:42,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:42,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:42,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:42,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:41:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:42,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 16:41:42,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:41:42,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:41:42,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:41:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:41:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 16:41:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:42,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:41:42,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:42,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 16:41:42,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:41:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:41:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:41:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:42,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:42,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:42,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:42,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:41:42,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:42,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:42,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 16:41:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:42,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:42,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:42,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:42,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:42,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:42,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:42,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 16:41:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:42,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:42,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:42,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:42,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:42,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:42,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:42,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:42,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632741126] [2020-10-28 16:41:42,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:42,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:41:42,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66949160] [2020-10-28 16:41:42,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:41:42,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:42,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:41:42,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:41:42,202 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 6 states. [2020-10-28 16:41:42,660 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:44,039 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:41:44,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:44,986 INFO L93 Difference]: Finished difference Result 360 states and 444 transitions. [2020-10-28 16:41:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:41:44,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-10-28 16:41:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:44,995 INFO L225 Difference]: With dead ends: 360 [2020-10-28 16:41:44,995 INFO L226 Difference]: Without dead ends: 258 [2020-10-28 16:41:44,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:41:44,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-10-28 16:41:45,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 213. [2020-10-28 16:41:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-28 16:41:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 242 transitions. [2020-10-28 16:41:45,069 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 242 transitions. Word has length 66 [2020-10-28 16:41:45,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:45,069 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 242 transitions. [2020-10-28 16:41:45,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:41:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 242 transitions. [2020-10-28 16:41:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 16:41:45,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:45,071 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] [2020-10-28 16:41:45,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:41:45,072 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]=== [2020-10-28 16:41:45,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:45,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1219190879, now seen corresponding path program 1 times [2020-10-28 16:41:45,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:45,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155591877] [2020-10-28 16:41:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:45,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:45,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:45,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:46,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:46,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 16:41:50,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:41:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 16:41:50,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:41:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:41:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 16:41:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,443 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:50,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:50,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:41:50,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:50,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:50,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:50,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:50,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:50,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:50,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:50,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:50,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:50,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:50,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:50,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:50,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:50,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:50,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:41:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 16:41:50,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:41:50,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 16:41:50,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 16:41:50,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:41:50,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:41:50,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:41:50,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:41:50,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:41:50,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 16:41:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:41:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:41:50,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:41:50,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:50,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:50,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:41:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:50,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:50,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 16:41:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:50,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:50,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:50,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 16:41:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:50,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:50,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:50,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:50,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:50,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:50,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:50,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:41:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:50,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:50,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:50,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155591877] [2020-10-28 16:41:50,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:50,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:41:50,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271909407] [2020-10-28 16:41:50,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:41:50,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:50,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:41:50,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:41:50,683 INFO L87 Difference]: Start difference. First operand 213 states and 242 transitions. Second operand 8 states. [2020-10-28 16:41:51,198 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:52,523 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:52,882 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:53,825 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:41:54,195 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:41:54,559 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:41:54,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:54,823 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2020-10-28 16:41:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:41:54,824 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-28 16:41:54,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:54,827 INFO L225 Difference]: With dead ends: 260 [2020-10-28 16:41:54,827 INFO L226 Difference]: Without dead ends: 256 [2020-10-28 16:41:54,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:41:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-10-28 16:41:54,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 213. [2020-10-28 16:41:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-28 16:41:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 241 transitions. [2020-10-28 16:41:54,890 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 241 transitions. Word has length 80 [2020-10-28 16:41:54,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:54,890 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 241 transitions. [2020-10-28 16:41:54,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:41:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 241 transitions. [2020-10-28 16:41:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 16:41:54,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:54,892 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] [2020-10-28 16:41:54,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:41:54,893 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]=== [2020-10-28 16:41:54,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:54,894 INFO L82 PathProgramCache]: Analyzing trace with hash -366454230, now seen corresponding path program 1 times [2020-10-28 16:41:54,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:54,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121260849] [2020-10-28 16:41:54,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:54,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:54,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:55,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:59,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:59,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 16:41:59,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:41:59,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 16:41:59,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:59,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:59,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:41:59,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 16:41:59,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:41:59,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,189 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:00,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:00,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 16:42:00,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:00,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:00,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:00,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:00,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:00,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:00,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:00,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:00,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:42:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:42:00,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:42:00,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:42:00,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 16:42:00,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:42:00,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:42:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 16:42:00,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:42:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 16:42:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:42:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:00,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:42:00,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:42:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:00,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:42:00,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:42:00,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:00,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 16:42:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:42:00,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:00,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:00,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:00,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:00,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:00,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 16:42:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:00,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:00,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:00,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 16:42:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:00,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:00,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:00,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:00,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:00,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:00,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:00,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:00,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:00,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:00,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:00,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 16:42:00,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121260849] [2020-10-28 16:42:00,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:00,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:42:00,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278609162] [2020-10-28 16:42:00,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:42:00,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:00,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:42:00,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:42:00,569 INFO L87 Difference]: Start difference. First operand 213 states and 241 transitions. Second operand 8 states. [2020-10-28 16:42:01,666 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:01,992 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:42:02,320 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:02,635 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:03,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:03,625 INFO L93 Difference]: Finished difference Result 446 states and 538 transitions. [2020-10-28 16:42:03,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 16:42:03,627 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-10-28 16:42:03,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:03,630 INFO L225 Difference]: With dead ends: 446 [2020-10-28 16:42:03,630 INFO L226 Difference]: Without dead ends: 257 [2020-10-28 16:42:03,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:42:03,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-28 16:42:03,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 218. [2020-10-28 16:42:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-28 16:42:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 246 transitions. [2020-10-28 16:42:03,696 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 246 transitions. Word has length 96 [2020-10-28 16:42:03,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:03,697 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 246 transitions. [2020-10-28 16:42:03,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:42:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 246 transitions. [2020-10-28 16:42:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 16:42:03,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:03,698 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] [2020-10-28 16:42:03,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:42:03,699 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]=== [2020-10-28 16:42:03,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:03,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1561818472, now seen corresponding path program 1 times [2020-10-28 16:42:03,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:03,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251272727] [2020-10-28 16:42:03,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:03,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:03,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:08,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:08,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 16:42:08,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:42:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 16:42:08,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:08,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 16:42:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:08,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,072 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:09,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:09,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 16:42:09,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:09,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:09,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:09,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:09,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:09,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:09,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:09,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:09,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:09,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:42:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:42:09,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 16:42:09,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:42:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:09,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:42:09,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 16:42:09,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 16:42:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:09,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:09,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 16:42:09,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:42:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:09,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:09,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:09,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:42:09,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:09,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:09,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:42:09,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:09,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 16:42:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:42:09,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:09,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:42:09,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:09,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:09,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:09,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:09,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 16:42:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:09,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:09,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:09,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 16:42:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:09,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:09,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:09,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:09,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:09,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:09,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:09,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 16:42:09,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251272727] [2020-10-28 16:42:09,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:09,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:42:09,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749352366] [2020-10-28 16:42:09,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:42:09,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:09,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:42:09,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:42:09,385 INFO L87 Difference]: Start difference. First operand 218 states and 246 transitions. Second operand 7 states. [2020-10-28 16:42:10,384 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:10,700 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:11,008 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:12,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:12,014 INFO L93 Difference]: Finished difference Result 456 states and 549 transitions. [2020-10-28 16:42:12,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:42:12,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2020-10-28 16:42:12,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:12,021 INFO L225 Difference]: With dead ends: 456 [2020-10-28 16:42:12,021 INFO L226 Difference]: Without dead ends: 262 [2020-10-28 16:42:12,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:42:12,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-28 16:42:12,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 222. [2020-10-28 16:42:12,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-28 16:42:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 250 transitions. [2020-10-28 16:42:12,088 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 250 transitions. Word has length 96 [2020-10-28 16:42:12,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:12,089 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 250 transitions. [2020-10-28 16:42:12,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:42:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 250 transitions. [2020-10-28 16:42:12,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 16:42:12,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:12,090 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] [2020-10-28 16:42:12,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 16:42:12,091 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]=== [2020-10-28 16:42:12,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:12,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1321278343, now seen corresponding path program 1 times [2020-10-28 16:42:12,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:12,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685633730] [2020-10-28 16:42:12,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:12,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:12,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:12,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 16:42:17,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:42:17,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 16:42:17,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 16:42:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 16:42:17,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:17,546 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:17,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:17,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-28 16:42:17,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:42:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:17,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:17,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:17,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:17,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:17,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:17,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:17,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:17,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:17,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:17,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:17,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:17,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:17,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:42:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:42:17,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:42:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 16:42:17,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:17,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 16:42:17,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:42:17,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:42:17,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:17,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:17,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:42:17,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:17,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:17,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:17,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:17,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:42:17,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:17,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:17,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:17,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:17,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:42:17,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:17,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:17,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:17,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:17,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:17,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:17,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:17,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:17,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 16:42:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:17,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:42:17,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 16:42:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:17,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:17,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:17,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:17,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:17,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:17,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:17,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:17,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 16:42:17,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685633730] [2020-10-28 16:42:17,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:17,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:42:17,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468875697] [2020-10-28 16:42:17,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:42:17,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:17,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:42:17,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:42:17,939 INFO L87 Difference]: Start difference. First operand 222 states and 250 transitions. Second operand 8 states. [2020-10-28 16:42:18,488 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:19,695 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:20,113 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:20,772 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:42:21,080 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:42:21,447 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:22,486 INFO L93 Difference]: Finished difference Result 663 states and 806 transitions. [2020-10-28 16:42:22,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:42:22,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-10-28 16:42:22,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:22,497 INFO L225 Difference]: With dead ends: 663 [2020-10-28 16:42:22,497 INFO L226 Difference]: Without dead ends: 465 [2020-10-28 16:42:22,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:42:22,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-28 16:42:22,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 398. [2020-10-28 16:42:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-10-28 16:42:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 450 transitions. [2020-10-28 16:42:22,602 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 450 transitions. Word has length 96 [2020-10-28 16:42:22,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:22,602 INFO L481 AbstractCegarLoop]: Abstraction has 398 states and 450 transitions. [2020-10-28 16:42:22,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:42:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 450 transitions. [2020-10-28 16:42:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-28 16:42:22,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:22,604 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:42:22,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 16:42:22,605 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]=== [2020-10-28 16:42:22,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:22,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1162637053, now seen corresponding path program 1 times [2020-10-28 16:42:22,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:22,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262404776] [2020-10-28 16:42:22,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:22,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:22,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:23,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:26,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:26,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 16:42:26,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:42:26,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4233 [2020-10-28 16:42:26,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:26,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:26,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 16:42:26,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:26,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 16:42:26,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,171 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:27,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:27,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 16:42:27,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:42:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:27,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:27,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:27,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:27,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:27,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:27,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:27,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:27,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:27,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:27,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:27,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:27,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 16:42:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:27,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:27,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:27,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:42:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:42:27,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 16:42:27,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:42:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 16:42:27,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:42:27,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:42:27,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:42:27,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:27,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:27,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:42:27,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:27,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:27,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:42:27,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:42:27,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:42:27,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:27,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 16:42:27,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:42:27,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:27,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:27,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:27,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:27,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:27,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:27,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:27,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:27,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:27,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:27,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 16:42:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:27,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:27,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:27,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:27,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:27,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 16:42:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:27,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:27,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:27,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:27,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:27,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 16:42:27,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262404776] [2020-10-28 16:42:27,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:27,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:42:27,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023742525] [2020-10-28 16:42:27,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:42:27,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:27,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:42:27,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:42:27,496 INFO L87 Difference]: Start difference. First operand 398 states and 450 transitions. Second operand 7 states. [2020-10-28 16:42:28,000 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:28,626 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:31,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:31,163 INFO L93 Difference]: Finished difference Result 1213 states and 1551 transitions. [2020-10-28 16:42:31,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:42:31,164 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2020-10-28 16:42:31,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:31,170 INFO L225 Difference]: With dead ends: 1213 [2020-10-28 16:42:31,170 INFO L226 Difference]: Without dead ends: 839 [2020-10-28 16:42:31,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:42:31,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2020-10-28 16:42:31,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 718. [2020-10-28 16:42:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2020-10-28 16:42:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 844 transitions. [2020-10-28 16:42:31,348 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 844 transitions. Word has length 100 [2020-10-28 16:42:31,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:31,348 INFO L481 AbstractCegarLoop]: Abstraction has 718 states and 844 transitions. [2020-10-28 16:42:31,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:42:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 844 transitions. [2020-10-28 16:42:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 16:42:31,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:31,351 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:42:31,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 16:42:31,351 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:42:31,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:31,352 INFO L82 PathProgramCache]: Analyzing trace with hash -350773571, now seen corresponding path program 1 times [2020-10-28 16:42:31,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:31,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [438560854] [2020-10-28 16:42:31,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:31,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:31,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 16:42:32,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:42:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 783 [2020-10-28 16:42:32,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:42:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-28 16:42:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 16:42:32,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,439 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:32,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:32,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 16:42:32,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:32,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:32,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:32,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:32,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:32,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:32,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:32,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:32,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:42:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:32,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:32,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 16:42:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:32,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:32,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:42:32,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:42:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:42:32,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:42:32,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:42:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 16:42:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 16:42:32,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:32,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:42:32,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 16:42:32,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:42:32,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 16:42:32,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:32,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:32,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:32,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:32,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:42:32,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 16:42:32,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:42:32,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 16:42:32,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:42:32,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:42:32,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:42:32,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:42:32,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:32,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:32,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:42:32,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:32,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:32,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:32,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 16:42:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:32,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:32,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 16:42:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:32,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:32,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:32,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:32,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:32,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:32,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:32,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:32,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:32,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:32,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:32,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 16:42:32,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [438560854] [2020-10-28 16:42:32,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:42:32,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 16:42:32,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596908087] [2020-10-28 16:42:32,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 16:42:32,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:32,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 16:42:32,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:42:32,795 INFO L87 Difference]: Start difference. First operand 718 states and 844 transitions. Second operand 13 states. [2020-10-28 16:42:33,578 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:34,428 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:35,556 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:35,942 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:36,290 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:36,625 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:36,980 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:37,311 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:37,630 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:37,948 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:38,357 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:38,718 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:40,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:40,892 INFO L93 Difference]: Finished difference Result 1501 states and 1845 transitions. [2020-10-28 16:42:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-28 16:42:40,893 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 104 [2020-10-28 16:42:40,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:40,899 INFO L225 Difference]: With dead ends: 1501 [2020-10-28 16:42:40,899 INFO L226 Difference]: Without dead ends: 807 [2020-10-28 16:42:40,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=287, Invalid=1119, Unknown=0, NotChecked=0, Total=1406 [2020-10-28 16:42:40,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-10-28 16:42:41,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 690. [2020-10-28 16:42:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-28 16:42:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 798 transitions. [2020-10-28 16:42:41,042 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 798 transitions. Word has length 104 [2020-10-28 16:42:41,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:41,043 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 798 transitions. [2020-10-28 16:42:41,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 16:42:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 798 transitions. [2020-10-28 16:42:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 16:42:41,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:41,047 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:42:41,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 16:42:41,048 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:42:41,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:41,048 INFO L82 PathProgramCache]: Analyzing trace with hash -2095146632, now seen corresponding path program 1 times [2020-10-28 16:42:41,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:41,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019022091] [2020-10-28 16:42:41,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:41,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:41,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:41,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:41,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 16:42:41,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:42:41,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 874 [2020-10-28 16:42:41,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:41,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:42:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-28 16:42:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 16:42:41,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,254 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:42,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 16:42:42,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:42,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:42,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:42,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:42:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:42:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 16:42:42,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 16:42:42,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:42:42,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:42:42,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:42:42,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:42,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:42,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:42,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:42,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:42:42,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:42,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:42:42,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 16:42:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 16:42:42,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 16:42:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:42:42,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 16:42:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:42,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 16:42:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 16:42:42,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 16:42:42,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:42:42,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:42:42,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 16:42:42,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:42:42,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:42:42,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:42:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:42:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:42,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:42:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:42,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 16:42:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:42:42,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:42,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:42:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:42,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-28 16:42:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:42,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-28 16:42:42,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019022091] [2020-10-28 16:42:42,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:42:42,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 16:42:42,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462865739] [2020-10-28 16:42:42,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 16:42:42,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:42,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 16:42:42,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-28 16:42:42,659 INFO L87 Difference]: Start difference. First operand 690 states and 798 transitions. Second operand 14 states. [2020-10-28 16:42:43,167 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:43,946 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:44,905 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:42:45,263 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:42:45,609 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:46,228 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 206 [2020-10-28 16:42:46,790 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 206 [2020-10-28 16:42:48,280 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 208 [2020-10-28 16:42:48,876 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 208 [2020-10-28 16:42:49,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:49,841 INFO L93 Difference]: Finished difference Result 1287 states and 1578 transitions. [2020-10-28 16:42:49,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-28 16:42:49,848 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 156 [2020-10-28 16:42:49,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:49,849 INFO L225 Difference]: With dead ends: 1287 [2020-10-28 16:42:49,849 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:42:49,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=290, Invalid=970, Unknown=0, NotChecked=0, Total=1260 [2020-10-28 16:42:49,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:42:49,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:42:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:42:49,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:42:49,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-10-28 16:42:49,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:49,854 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:42:49,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 16:42:49,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:42:49,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:42:49,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 16:42:49,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:42:51,301 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-10-28 16:42:51,517 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 227 [2020-10-28 16:42:52,984 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 282 [2020-10-28 16:42:53,768 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 282 [2020-10-28 16:42:54,210 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 284 [2020-10-28 16:42:56,103 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 223 [2020-10-28 16:42:56,288 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 223 [2020-10-28 16:42:56,493 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 221 [2020-10-28 16:42:57,328 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 282 [2020-10-28 16:42:58,325 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 284 [2020-10-28 16:42:58,575 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 18 [2020-10-28 16:42:59,538 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 16 [2020-10-28 16:42:59,774 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-28 16:43:00,026 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-10-28 16:43:00,246 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-10-28 16:43:00,542 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 19 [2020-10-28 16:43:00,812 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-10-28 16:43:01,963 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 189 DAG size of output: 31 [2020-10-28 16:43:02,211 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-10-28 16:43:02,502 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-10-28 16:43:03,297 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 29 [2020-10-28 16:43:03,922 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 15 [2020-10-28 16:43:04,194 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:43:04,969 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 29 [2020-10-28 16:43:05,740 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 26 [2020-10-28 16:43:06,505 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-10-28 16:43:07,223 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 20 [2020-10-28 16:43:07,467 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-10-28 16:43:07,725 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-28 16:43:08,440 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 19 [2020-10-28 16:43:09,175 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-10-28 16:43:09,930 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 19 [2020-10-28 16:43:10,640 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-10-28 16:43:11,341 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 28 [2020-10-28 16:43:11,653 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 9 [2020-10-28 16:43:11,908 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-10-28 16:43:12,848 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 18 [2020-10-28 16:43:13,644 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 28 [2020-10-28 16:43:13,898 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-10-28 16:43:14,627 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 25 [2020-10-28 16:43:15,313 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2020-10-28 16:43:16,104 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 24 [2020-10-28 16:43:16,361 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-28 16:43:17,662 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 188 DAG size of output: 25 [2020-10-28 16:43:17,912 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-10-28 16:43:18,145 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-28 16:43:18,372 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-28 16:43:18,603 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-10-28 16:43:19,342 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 29 [2020-10-28 16:43:20,036 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 20 [2020-10-28 16:43:20,288 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-10-28 16:43:20,518 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-10-28 16:43:20,732 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-28 16:43:21,643 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 24 [2020-10-28 16:43:22,325 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2020-10-28 16:43:22,569 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-10-28 16:43:22,858 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 19 [2020-10-28 16:43:23,615 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 26 [2020-10-28 16:43:23,620 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:43:23,620 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:43:23,620 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:43:23,621 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:43:23,621 INFO L274 CegarLoopResult]: For program point L673(lines 673 677) no Hoare annotation was computed. [2020-10-28 16:43:23,621 INFO L274 CegarLoopResult]: For program point L673-1(lines 673 677) no Hoare annotation was computed. [2020-10-28 16:43:23,621 INFO L274 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-10-28 16:43:23,621 INFO L274 CegarLoopResult]: For program point L667-2(lines 667 688) no Hoare annotation was computed. [2020-10-28 16:43:23,621 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 642 697) no Hoare annotation was computed. [2020-10-28 16:43:23,622 INFO L274 CegarLoopResult]: For program point L689(lines 666 690) no Hoare annotation was computed. [2020-10-28 16:43:23,622 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 642 697) no Hoare annotation was computed. [2020-10-28 16:43:23,622 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 642 697) no Hoare annotation was computed. [2020-10-28 16:43:23,622 INFO L274 CegarLoopResult]: For program point L730(lines 730 734) no Hoare annotation was computed. [2020-10-28 16:43:23,622 INFO L274 CegarLoopResult]: For program point L730-1(lines 730 734) no Hoare annotation was computed. [2020-10-28 16:43:23,622 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 698 757) no Hoare annotation was computed. [2020-10-28 16:43:23,622 INFO L274 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-10-28 16:43:23,623 INFO L274 CegarLoopResult]: For program point L724-2(lines 724 749) no Hoare annotation was computed. [2020-10-28 16:43:23,623 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 698 757) no Hoare annotation was computed. [2020-10-28 16:43:23,623 INFO L274 CegarLoopResult]: For program point L750(lines 723 751) no Hoare annotation was computed. [2020-10-28 16:43:23,623 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 698 757) no Hoare annotation was computed. [2020-10-28 16:43:23,623 INFO L274 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-10-28 16:43:23,623 INFO L274 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-10-28 16:43:23,623 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 443 449) the Hoare annotation is: true [2020-10-28 16:43:23,623 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 443 449) no Hoare annotation was computed. [2020-10-28 16:43:23,624 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 450 458) no Hoare annotation was computed. [2020-10-28 16:43:23,624 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 450 458) the Hoare annotation is: true [2020-10-28 16:43:23,624 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 450 458) no Hoare annotation was computed. [2020-10-28 16:43:23,624 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 401 423) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:43:23,624 INFO L270 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:43:23,624 INFO L270 CegarLoopResult]: At program point L413-1(line 413) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:43:23,624 INFO L274 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-10-28 16:43:23,624 INFO L274 CegarLoopResult]: For program point L411-1(lines 411 418) no Hoare annotation was computed. [2020-10-28 16:43:23,624 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 16:43:23,625 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 401 423) no Hoare annotation was computed. [2020-10-28 16:43:23,625 INFO L270 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:43:23,625 INFO L270 CegarLoopResult]: At program point L407(line 407) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:43:23,625 INFO L270 CegarLoopResult]: At program point L407-1(line 407) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:43:23,625 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 401 423) no Hoare annotation was computed. [2020-10-28 16:43:23,625 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 357 380) no Hoare annotation was computed. [2020-10-28 16:43:23,625 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 357 380) no Hoare annotation was computed. [2020-10-28 16:43:23,625 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 357 380) no Hoare annotation was computed. [2020-10-28 16:43:23,625 INFO L274 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L374(line 374) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L362(line 362) no Hoare annotation was computed. [2020-10-28 16:43:23,626 INFO L270 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2))) [2020-10-28 16:43:23,626 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 158 182) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:43:23,626 INFO L274 CegarLoopResult]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L270 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (<= 1 |old(~pumpRunning~0)|))) .cse0 .cse1) (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (not (= |old(~pumpRunning~0)| 0)) .cse2))) [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 158 182) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L270 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0))) (let ((.cse0 (and .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse1 (not .cse2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L270 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (<= 1 |old(~pumpRunning~0)|))) .cse0 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 253 261) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 253 261) the Hoare annotation is: true [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 253 261) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point L281(lines 281 289) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point L281-2(lines 281 289) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 262 297) no Hoare annotation was computed. [2020-10-28 16:43:23,627 INFO L274 CegarLoopResult]: For program point L269(lines 269 277) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point L269-2(lines 269 277) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 262 297) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point L292-1(line 292) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 262 297) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 436 442) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 436 442) the Hoare annotation is: true [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 596 641) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 596 641) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 596 641) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point L929(lines 929 936) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point L923(lines 923 943) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point L923-1(lines 923 943) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 909 954) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 933 934) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 940 941) no Hoare annotation was computed. [2020-10-28 16:43:23,628 INFO L274 CegarLoopResult]: For program point L940(lines 940 941) no Hoare annotation was computed. [2020-10-28 16:43:23,629 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 909 954) no Hoare annotation was computed. [2020-10-28 16:43:23,629 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 909 954) no Hoare annotation was computed. [2020-10-28 16:43:23,629 INFO L274 CegarLoopResult]: For program point L933(lines 933 934) no Hoare annotation was computed. [2020-10-28 16:43:23,629 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 388 397) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:43:23,629 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 388 397) no Hoare annotation was computed. [2020-10-28 16:43:23,629 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 388 397) no Hoare annotation was computed. [2020-10-28 16:43:23,629 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 242 252) the Hoare annotation is: true [2020-10-28 16:43:23,629 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 242 252) no Hoare annotation was computed. [2020-10-28 16:43:23,629 INFO L277 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: true [2020-10-28 16:43:23,629 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 242 252) no Hoare annotation was computed. [2020-10-28 16:43:23,629 INFO L274 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 234 241) the Hoare annotation is: (let ((.cse0 (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (<= 1 |old(~pumpRunning~0)|)))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 575 588) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 575 588) the Hoare annotation is: true [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 575 588) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point L192(lines 192 200) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L270 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse1 .cse2) (or .cse0 .cse4 .cse1))) [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point L188(lines 188 205) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 184 208) no Hoare annotation was computed. [2020-10-28 16:43:23,630 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 184 208) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2020-10-28 16:43:23,630 INFO L270 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (<= 1 |old(~pumpRunning~0)|)))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse2) (or .cse4 .cse0 .cse2))) [2020-10-28 16:43:23,630 INFO L274 CegarLoopResult]: For program point L203-1(lines 184 208) no Hoare annotation was computed. [2020-10-28 16:43:23,631 INFO L270 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1))) [2020-10-28 16:43:23,631 INFO L270 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 .cse4 .cse1) (or (and (not (= 0 processEnvironment_~tmp~2)) .cse4) .cse3 .cse1))) [2020-10-28 16:43:23,631 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2020-10-28 16:43:23,631 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2020-10-28 16:43:23,631 INFO L270 CegarLoopResult]: At program point testENTRY(lines 47 112) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:43:23,631 INFO L274 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-10-28 16:43:23,631 INFO L270 CegarLoopResult]: At program point L95-2(lines 87 100) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2020-10-28 16:43:23,631 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-28 16:43:23,631 INFO L270 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2020-10-28 16:43:23,631 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-28 16:43:23,631 INFO L274 CegarLoopResult]: For program point testFINAL(lines 47 112) no Hoare annotation was computed. [2020-10-28 16:43:23,631 INFO L270 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L270 CegarLoopResult]: At program point L102(lines 57 104) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-10-28 16:43:23,632 INFO L270 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point testEXIT(lines 47 112) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 887 888) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point L894(lines 894 895) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 894 895) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 863 908) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point L887(lines 887 888) no Hoare annotation was computed. [2020-10-28 16:43:23,632 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 863 908) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point L883(lines 883 890) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 863 908) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point L877(lines 877 897) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point L877-1(lines 877 897) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L270 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 209 216) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 209 216) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 209 216) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 543 565) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point L551(lines 551 559) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 543 565) no Hoare annotation was computed. [2020-10-28 16:43:23,633 INFO L274 CegarLoopResult]: For program point L551-2(lines 551 559) no Hoare annotation was computed. [2020-10-28 16:43:23,634 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 543 565) no Hoare annotation was computed. [2020-10-28 16:43:23,634 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 426 435) no Hoare annotation was computed. [2020-10-28 16:43:23,634 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 426 435) no Hoare annotation was computed. [2020-10-28 16:43:23,634 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 426 435) no Hoare annotation was computed. [2020-10-28 16:43:23,634 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 760 862) no Hoare annotation was computed. [2020-10-28 16:43:23,634 INFO L274 CegarLoopResult]: For program point L830(lines 808 831) no Hoare annotation was computed. [2020-10-28 16:43:23,634 INFO L274 CegarLoopResult]: For program point L789(lines 789 805) no Hoare annotation was computed. [2020-10-28 16:43:23,634 INFO L274 CegarLoopResult]: For program point L849(lines 849 856) no Hoare annotation was computed. [2020-10-28 16:43:23,634 INFO L274 CegarLoopResult]: For program point L810(lines 809 829) no Hoare annotation was computed. [2020-10-28 16:43:23,639 INFO L274 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-10-28 16:43:23,639 INFO L274 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-10-28 16:43:23,639 INFO L274 CegarLoopResult]: For program point L806(lines 806 847) no Hoare annotation was computed. [2020-10-28 16:43:23,639 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 760 862) no Hoare annotation was computed. [2020-10-28 16:43:23,639 INFO L274 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-10-28 16:43:23,639 INFO L274 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-10-28 16:43:23,639 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 760 862) no Hoare annotation was computed. [2020-10-28 16:43:23,640 INFO L274 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-10-28 16:43:23,640 INFO L274 CegarLoopResult]: For program point L848(lines 848 859) no Hoare annotation was computed. [2020-10-28 16:43:23,640 INFO L274 CegarLoopResult]: For program point L811(lines 811 815) no Hoare annotation was computed. [2020-10-28 16:43:23,640 INFO L274 CegarLoopResult]: For program point L809-2(lines 809 829) no Hoare annotation was computed. [2020-10-28 16:43:23,640 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:43:23,640 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~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#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)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:43:23,640 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:43:23,641 INFO L274 CegarLoopResult]: For program point L224(lines 224 230) no Hoare annotation was computed. [2020-10-28 16:43:23,641 INFO L270 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3))) [2020-10-28 16:43:23,641 INFO L274 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-10-28 16:43:23,641 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 217 233) no Hoare annotation was computed. [2020-10-28 16:43:23,641 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 217 233) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3))) [2020-10-28 16:43:23,641 INFO L270 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 activatePump_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2))) [2020-10-28 16:43:23,641 INFO L274 CegarLoopResult]: For program point L228-1(lines 217 233) no Hoare annotation was computed. [2020-10-28 16:43:23,641 INFO L277 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: true [2020-10-28 16:43:23,641 INFO L274 CegarLoopResult]: For program point L307-2(lines 307 311) no Hoare annotation was computed. [2020-10-28 16:43:23,642 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 298 316) no Hoare annotation was computed. [2020-10-28 16:43:23,642 INFO L274 CegarLoopResult]: For program point L305-1(line 305) no Hoare annotation was computed. [2020-10-28 16:43:23,642 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 298 316) the Hoare annotation is: true [2020-10-28 16:43:23,642 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 298 316) no Hoare annotation was computed. [2020-10-28 16:43:23,642 INFO L274 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-10-28 16:43:23,642 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 566 574) no Hoare annotation was computed. [2020-10-28 16:43:23,642 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 566 574) no Hoare annotation was computed. [2020-10-28 16:43:23,643 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 566 574) no Hoare annotation was computed. [2020-10-28 16:43:23,643 INFO L274 CegarLoopResult]: For program point L526-1(lines 522 533) no Hoare annotation was computed. [2020-10-28 16:43:23,643 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 522 533) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~methaneLevelCritical~0 0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (not (= ~pumpRunning~0 0)) .cse0 (not (= |old(~methaneLevelCritical~0)| 1)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)))) [2020-10-28 16:43:23,643 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 522 533) no Hoare annotation was computed. [2020-10-28 16:43:23,643 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:43:23,643 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:43:23,644 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:43:23,644 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-28 16:43:23,644 INFO L270 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse1 (and .cse3 (or (<= (+ |old(~pumpRunning~0)| 1) 0) (<= 1 |old(~pumpRunning~0)|)))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2)))) [2020-10-28 16:43:23,644 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2020-10-28 16:43:23,644 INFO L270 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse3 (or (<= (+ |old(~pumpRunning~0)| 1) 0) (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse3 .cse5)) (.cse4 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (and .cse1 (<= 2 ~waterLevel~0)) (and .cse1 .cse2) (and .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) .cse4)) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse4 (and .cse1 .cse5))))) [2020-10-28 16:43:23,644 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2020-10-28 16:43:23,644 INFO L270 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1 (or (<= (+ |old(~pumpRunning~0)| 1) 0) (<= 1 |old(~pumpRunning~0)|))) (not (= ~methaneLevelCritical~0 0)) .cse2) (or (and .cse0 .cse1) .cse3 .cse2) (or .cse3 .cse2 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:43:23,645 INFO L274 CegarLoopResult]: For program point L130(lines 129 148) no Hoare annotation was computed. [2020-10-28 16:43:23,645 INFO L277 CegarLoopResult]: At program point L352(lines 327 356) the Hoare annotation is: true [2020-10-28 16:43:23,645 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 327 356) no Hoare annotation was computed. [2020-10-28 16:43:23,645 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 327 356) the Hoare annotation is: true [2020-10-28 16:43:23,646 INFO L274 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-10-28 16:43:23,646 INFO L274 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-10-28 16:43:23,646 INFO L277 CegarLoopResult]: At program point L341-1(lines 341 345) the Hoare annotation is: true [2020-10-28 16:43:23,646 INFO L274 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-10-28 16:43:23,646 INFO L277 CegarLoopResult]: At program point L337-2(lines 337 351) the Hoare annotation is: true [2020-10-28 16:43:23,646 INFO L277 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: true [2020-10-28 16:43:23,647 INFO L274 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-10-28 16:43:23,647 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 534 542) the Hoare annotation is: true [2020-10-28 16:43:23,647 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 534 542) no Hoare annotation was computed. [2020-10-28 16:43:23,647 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 534 542) no Hoare annotation was computed. [2020-10-28 16:43:23,647 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 498 509) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (and (not (<= 1 ~pumpRunning~0)) (not (<= (+ ~pumpRunning~0 1) 0)))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2020-10-28 16:43:23,647 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 498 509) no Hoare annotation was computed. [2020-10-28 16:43:23,647 INFO L274 CegarLoopResult]: For program point L502-1(lines 498 509) no Hoare annotation was computed. [2020-10-28 16:43:23,647 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 381 387) no Hoare annotation was computed. [2020-10-28 16:43:23,647 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 381 387) the Hoare annotation is: true [2020-10-28 16:43:23,647 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:43:23,648 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-28 16:43:23,648 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:43:23,648 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:43:23,648 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 317 324) no Hoare annotation was computed. [2020-10-28 16:43:23,648 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 317 324) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2020-10-28 16:43:23,648 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 317 324) no Hoare annotation was computed. [2020-10-28 16:43:23,648 INFO L274 CegarLoopResult]: For program point L514-1(lines 510 521) no Hoare annotation was computed. [2020-10-28 16:43:23,648 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 510 521) no Hoare annotation was computed. [2020-10-28 16:43:23,648 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 510 521) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 1)) (not (= ~pumpRunning~0 0)) .cse1))) [2020-10-28 16:43:23,648 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-28 16:43:23,648 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 460 467) no Hoare annotation was computed. [2020-10-28 16:43:23,649 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 460 467) the Hoare annotation is: true [2020-10-28 16:43:23,649 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 460 467) no Hoare annotation was computed. [2020-10-28 16:43:23,649 INFO L274 CegarLoopResult]: For program point L481(lines 481 487) no Hoare annotation was computed. [2020-10-28 16:43:23,649 INFO L270 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:43:23,649 INFO L274 CegarLoopResult]: For program point L479-1(line 479) no Hoare annotation was computed. [2020-10-28 16:43:23,649 INFO L274 CegarLoopResult]: For program point L477(lines 477 490) no Hoare annotation was computed. [2020-10-28 16:43:23,649 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 469 493) the Hoare annotation is: true [2020-10-28 16:43:23,649 INFO L274 CegarLoopResult]: For program point L477-1(lines 469 493) no Hoare annotation was computed. [2020-10-28 16:43:23,649 INFO L277 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: true [2020-10-28 16:43:23,649 INFO L274 CegarLoopResult]: For program point L475-1(line 475) no Hoare annotation was computed. [2020-10-28 16:43:23,649 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 469 493) no Hoare annotation was computed. [2020-10-28 16:43:23,649 INFO L270 CegarLoopResult]: At program point L483(line 483) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (not (= ~methaneLevelCritical~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2020-10-28 16:43:23,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:43:23 BoogieIcfgContainer [2020-10-28 16:43:23,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:43:23,669 INFO L168 Benchmark]: Toolchain (without parser) took 128483.11 ms. Allocated memory was 151.0 MB in the beginning and 740.3 MB in the end (delta: 589.3 MB). Free memory was 125.2 MB in the beginning and 704.0 MB in the end (delta: -578.9 MB). Peak memory consumption was 460.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:43:23,670 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 151.0 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:43:23,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.71 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 102.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:43:23,671 INFO L168 Benchmark]: Boogie Preprocessor took 128.71 ms. Allocated memory is still 151.0 MB. Free memory was 102.7 MB in the beginning and 98.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:43:23,671 INFO L168 Benchmark]: RCFGBuilder took 1460.00 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 98.9 MB in the beginning and 169.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:43:23,672 INFO L168 Benchmark]: TraceAbstraction took 126375.29 ms. Allocated memory was 190.8 MB in the beginning and 740.3 MB in the end (delta: 549.5 MB). Free memory was 169.7 MB in the beginning and 704.0 MB in the end (delta: -534.3 MB). Peak memory consumption was 465.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:43:23,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 151.0 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 507.71 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 102.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 128.71 ms. Allocated memory is still 151.0 MB. Free memory was 102.7 MB in the beginning and 98.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1460.00 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 98.9 MB in the beginning and 169.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 126375.29 ms. Allocated memory was 190.8 MB in the beginning and 740.3 MB in the end (delta: 549.5 MB). Free memory was 169.7 MB in the beginning and 704.0 MB in the end (delta: -534.3 MB). Peak memory consumption was 465.0 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: 894]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 887]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 933]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: 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: 327]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(\old(waterLevel) == 1)) || (((methaneLevelCritical == 1 && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && methaneLevelCritical == 0) && 1 == systemActive)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 248 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 92.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 40.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 33.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1522 SDtfs, 3281 SDslu, 1316 SDs, 0 SdLazy, 7585 SolverSat, 2301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 486 GetRequests, 338 SyntacticMatches, 4 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 18.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 563 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1440 PreInvPairs, 1618 NumberOfFragments, 1742 HoareAnnotationTreeSize, 1440 FomulaSimplifications, 93822752 FormulaSimplificationTreeSizeReduction, 8.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 1322378 FormulaSimplificationTreeSizeReductionInter, 25.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 50.1s InterpolantComputationTime, 942 NumberOfCodeBlocks, 942 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 931 ConstructedInterpolants, 0 QuantifiedInterpolants, 326631 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 59/64 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...