/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_spec4_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:00:46,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:00:46,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:00:47,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:00:47,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:00:47,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:00:47,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:00:47,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:00:47,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:00:47,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:00:47,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:00:47,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:00:47,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:00:47,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:00:47,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:00:47,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:00:47,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:00:47,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:00:47,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:00:47,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:00:47,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:00:47,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:00:47,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:00:47,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:00:47,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:00:47,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:00:47,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:00:47,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:00:47,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:00:47,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:00:47,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:00:47,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:00:47,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:00:47,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:00:47,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:00:47,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:00:47,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:00:47,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:00:47,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:00:47,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:00:47,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:00:47,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:00:47,184 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:00:47,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:00:47,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:00:47,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:00:47,189 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:00:47,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:00:47,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:00:47,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:00:47,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:00:47,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:00:47,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:00:47,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:00:47,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:00:47,192 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:00:47,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:00:47,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:00:47,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:00:47,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:00:47,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:00:47,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:00:47,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:00:47,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:00:47,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:00:47,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:00:47,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:00:47,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:00:47,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:00:47,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:00:47,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:00:47,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:00:47,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:00:47,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:00:47,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:00:47,670 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:00:47,670 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:00:47,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-10-28 17:00:47,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28181c92e/e463d32cee7141ee98ff9a7263a7d285/FLAGb730990b5 [2020-10-28 17:00:48,405 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:00:48,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-10-28 17:00:48,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28181c92e/e463d32cee7141ee98ff9a7263a7d285/FLAGb730990b5 [2020-10-28 17:00:48,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28181c92e/e463d32cee7141ee98ff9a7263a7d285 [2020-10-28 17:00:48,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:00:48,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:00:48,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:00:48,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:00:48,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:00:48,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:00:48" (1/1) ... [2020-10-28 17:00:48,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62520b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:48, skipping insertion in model container [2020-10-28 17:00:48,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:00:48" (1/1) ... [2020-10-28 17:00:48,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:00:48,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:00:49,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:00:49,098 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:00:49,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:00:49,288 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:00:49,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49 WrapperNode [2020-10-28 17:00:49,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:00:49,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:00:49,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:00:49,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:00:49,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49" (1/1) ... [2020-10-28 17:00:49,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49" (1/1) ... [2020-10-28 17:00:49,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49" (1/1) ... [2020-10-28 17:00:49,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49" (1/1) ... [2020-10-28 17:00:49,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49" (1/1) ... [2020-10-28 17:00:49,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49" (1/1) ... [2020-10-28 17:00:49,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49" (1/1) ... [2020-10-28 17:00:49,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:00:49,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:00:49,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:00:49,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:00:49,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:00:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:00:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:00:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:00:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:00:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:00:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:00:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:00:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:00:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-28 17:00:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:00:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:00:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:00:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:00:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:00:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 17:00:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 17:00:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:00:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:00:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:00:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:00:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:00:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:00:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:00:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:00:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:00:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:00:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:00:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:00:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 17:00:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:00:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:00:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:00:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:00:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:00:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:00:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:00:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:00:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:00:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:00:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-28 17:00:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:00:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:00:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:00:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:00:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:00:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:00:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:00:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:00:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 17:00:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:00:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:00:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:00:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:00:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:00:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:00:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 17:00:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:00:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:00:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:00:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:00:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-28 17:00:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:00:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:00:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 17:00:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-28 17:00:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:00:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:00:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:00:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:00:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:00:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:00:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:00:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:00:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:00:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:00:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:00:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:00:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:00:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:00:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:00:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:00:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:00:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:00:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:00:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:00:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:00:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:00:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:00:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:00:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:00:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:00:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:00:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:00:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:00:51,028 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:00:51,028 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:00:51,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:00:51 BoogieIcfgContainer [2020-10-28 17:00:51,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:00:51,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:00:51,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:00:51,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:00:51,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:00:48" (1/3) ... [2020-10-28 17:00:51,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f750a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:00:51, skipping insertion in model container [2020-10-28 17:00:51,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:00:49" (2/3) ... [2020-10-28 17:00:51,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f750a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:00:51, skipping insertion in model container [2020-10-28 17:00:51,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:00:51" (3/3) ... [2020-10-28 17:00:51,040 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c [2020-10-28 17:00:51,073 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:00:51,079 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:00:51,093 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:00:51,122 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:00:51,122 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:00:51,122 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:00:51,123 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:00:51,123 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:00:51,123 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:00:51,123 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:00:51,123 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:00:51,148 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-10-28 17:00:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 17:00:51,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:00:51,159 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 17:00:51,160 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:00:51,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:00:51,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1118638078, now seen corresponding path program 1 times [2020-10-28 17:00:51,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:00:51,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407770217] [2020-10-28 17:00:51,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:00:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:00:51,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:51,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:52,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:54,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:56,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:00:56,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 17:00:56,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:00:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-28 17:00:56,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:00:56,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:00:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:00:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:00:56,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:00:56,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-28 17:00:56,978 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:00:56,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:00:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:00:57,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:57,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:00:57,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:00:57,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:00:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 17:00:57,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:00:57,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:00:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:00:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:00:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:00:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:00:57,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:00:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:00:57,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:57,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:00:57,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:00:57,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:00:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:00:57,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:00:57,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:00:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:00:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:00:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:00:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:00:57,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:00:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:00:57,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:57,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:00:57,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:00:57,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:00:57,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:00:57,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:00:57,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:00:57,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:00:57,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:00:57,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:00:57,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:00:57,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:00:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:00:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:57,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:00:57,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:00:57,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:00:57,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:00:57,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:00:57,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:00:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:00:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:00:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:00:57,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:00:57,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:00:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:00:57,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:57,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:00:57,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:00:57,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:00:57,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:00:57,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:00:57,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:00:57,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:00:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:00:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:00:57,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:00:57,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:00:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:00:57,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:57,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:00:57,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:00:57,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:00:57,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:00:57,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:00:57,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:00:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:00:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:00:57,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:00:57,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:00:57,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:00:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:00:57,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:57,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:00:57,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:00:57,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:00:57,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:00:57,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:00:57,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:00:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:00:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:00:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:00:57,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:00:57,179 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 17:00:57,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407770217] [2020-10-28 17:00:57,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:00:57,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 17:00:57,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703350180] [2020-10-28 17:00:57,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 17:00:57,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:00:57,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 17:00:57,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 17:00:57,208 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 3 states. [2020-10-28 17:00:58,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:00:58,655 INFO L93 Difference]: Finished difference Result 306 states and 394 transitions. [2020-10-28 17:00:58,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 17:00:58,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 17:00:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:00:58,671 INFO L225 Difference]: With dead ends: 306 [2020-10-28 17:00:58,671 INFO L226 Difference]: Without dead ends: 164 [2020-10-28 17:00:58,676 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 17:00:58,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-28 17:00:58,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2020-10-28 17:00:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-28 17:00:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2020-10-28 17:00:58,792 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 47 [2020-10-28 17:00:58,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:00:58,796 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2020-10-28 17:00:58,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 17:00:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2020-10-28 17:00:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 17:00:58,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:00:58,802 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 17:00:58,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:00:58,803 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:00:58,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:00:58,803 INFO L82 PathProgramCache]: Analyzing trace with hash -777984350, now seen corresponding path program 1 times [2020-10-28 17:00:58,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:00:58,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020551088] [2020-10-28 17:00:58,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:00:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:00:58,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:58,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:00:59,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:01,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:01,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:03,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:03,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:01:03,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:01:03,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:01:03,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:03,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 17:01:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:01:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:04,214 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:04,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:04,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:04,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:04,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:04,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:04,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 17:01:04,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:04,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:04,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:04,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:04,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:04,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:04,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:04,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:04,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:04,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 17:01:04,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:04,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:04,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:04,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:04,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:04,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:04,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:04,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:04,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:04,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:04,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:04,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:04,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:04,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:04,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:04,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:04,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:04,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:04,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:04,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:04,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:04,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:04,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:04,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:04,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:04,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:04,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:04,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:04,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:04,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:04,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:04,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:01:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:04,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:04,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:04,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:04,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:04,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:01:04,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:04,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:04,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:04,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:04,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:04,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:04,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 17:01:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:04,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:04,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:04,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:04,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:04,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:04,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:04,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:04,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:04,371 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 17:01:04,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020551088] [2020-10-28 17:01:04,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:04,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:01:04,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515724119] [2020-10-28 17:01:04,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:01:04,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:04,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:01:04,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:01:04,378 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 4 states. [2020-10-28 17:01:05,091 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:06,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:06,193 INFO L93 Difference]: Finished difference Result 227 states and 271 transitions. [2020-10-28 17:01:06,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 17:01:06,194 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 17:01:06,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:06,198 INFO L225 Difference]: With dead ends: 227 [2020-10-28 17:01:06,198 INFO L226 Difference]: Without dead ends: 148 [2020-10-28 17:01:06,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:01:06,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-28 17:01:06,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 121. [2020-10-28 17:01:06,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-28 17:01:06,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2020-10-28 17:01:06,250 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 48 [2020-10-28 17:01:06,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:06,251 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2020-10-28 17:01:06,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:01:06,251 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2020-10-28 17:01:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 17:01:06,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:06,253 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] [2020-10-28 17:01:06,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:01:06,254 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:01:06,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:06,254 INFO L82 PathProgramCache]: Analyzing trace with hash 273534020, now seen corresponding path program 1 times [2020-10-28 17:01:06,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:06,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630209411] [2020-10-28 17:01:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:06,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:06,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:07,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:08,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:09,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 17:01:09,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:01:09,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2965 [2020-10-28 17:01:09,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:09,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:09,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:01:09,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 17:01:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:09,630 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:09,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:09,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:09,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:09,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:09,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 17:01:09,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:09,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:09,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:01:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:09,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:09,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:09,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:09,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:09,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:09,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:09,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:09,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:09,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:09,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:01:09,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:09,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:09,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:09,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:09,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:09,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:09,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:09,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:09,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:09,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:09,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:01:09,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:09,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:09,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:09,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:09,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:09,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:09,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:09,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:09,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:09,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:09,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:09,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:09,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:09,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:09,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:09,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:01:09,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:09,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:01:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:09,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:09,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:09,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:09,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:09,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:09,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:09,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:09,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:01:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:09,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:09,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:09,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:09,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:09,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:09,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:09,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:09,786 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 17:01:09,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630209411] [2020-10-28 17:01:09,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:09,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:01:09,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045568848] [2020-10-28 17:01:09,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:01:09,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:09,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:01:09,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:01:09,789 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 4 states. [2020-10-28 17:01:10,295 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:01:12,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:12,078 INFO L93 Difference]: Finished difference Result 354 states and 426 transitions. [2020-10-28 17:01:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 17:01:12,079 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 17:01:12,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:12,083 INFO L225 Difference]: With dead ends: 354 [2020-10-28 17:01:12,083 INFO L226 Difference]: Without dead ends: 257 [2020-10-28 17:01:12,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:01:12,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-28 17:01:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 205. [2020-10-28 17:01:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-28 17:01:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 238 transitions. [2020-10-28 17:01:12,167 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 238 transitions. Word has length 52 [2020-10-28 17:01:12,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:12,167 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 238 transitions. [2020-10-28 17:01:12,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:01:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 238 transitions. [2020-10-28 17:01:12,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 17:01:12,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:12,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:01:12,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:01:12,171 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:01:12,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:12,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1799076827, now seen corresponding path program 1 times [2020-10-28 17:01:12,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:12,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821430791] [2020-10-28 17:01:12,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:12,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:12,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:14,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:16,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:16,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 17:01:16,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:01:16,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4774 [2020-10-28 17:01:16,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:16,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:01:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 17:01:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 17:01:16,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:17,488 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:17,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:17,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:17,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:17,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:17,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 17:01:17,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:17,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:17,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:17,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:17,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:17,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:17,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:17,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:17,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:17,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:17,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:17,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:17,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:17,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:17,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:17,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:17,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:17,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:17,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:17,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:17,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:17,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:17,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:17,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:17,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:17,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:17,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:17,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:17,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:17,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:17,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:17,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:17,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:17,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:17,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:17,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:17,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:01:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:17,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:17,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:17,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:17,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:17,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:01:17,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:17,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:01:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:17,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:17,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:17,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:17,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:17,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:17,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:17,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:17,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:01:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:17,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:17,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:17,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:17,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:01:17,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:17,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:17,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:17,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:17,629 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 17:01:17,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821430791] [2020-10-28 17:01:17,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:17,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:01:17,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210601141] [2020-10-28 17:01:17,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:01:17,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:17,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:01:17,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:01:17,632 INFO L87 Difference]: Start difference. First operand 205 states and 238 transitions. Second operand 8 states. [2020-10-28 17:01:18,180 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:01:19,766 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-28 17:01:20,242 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:01:20,669 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:01:21,583 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:01:22,045 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:01:23,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:23,019 INFO L93 Difference]: Finished difference Result 561 states and 710 transitions. [2020-10-28 17:01:23,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 17:01:23,020 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 17:01:23,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:23,027 INFO L225 Difference]: With dead ends: 561 [2020-10-28 17:01:23,028 INFO L226 Difference]: Without dead ends: 380 [2020-10-28 17:01:23,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:01:23,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-28 17:01:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 317. [2020-10-28 17:01:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-10-28 17:01:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 376 transitions. [2020-10-28 17:01:23,126 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 376 transitions. Word has length 58 [2020-10-28 17:01:23,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:23,127 INFO L481 AbstractCegarLoop]: Abstraction has 317 states and 376 transitions. [2020-10-28 17:01:23,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:01:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 376 transitions. [2020-10-28 17:01:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 17:01:23,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:23,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:01:23,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:01:23,131 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 17:01:23,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:23,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1499310481, now seen corresponding path program 1 times [2020-10-28 17:01:23,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:23,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081255016] [2020-10-28 17:01:23,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:23,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:26,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:26,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 17:01:26,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:01:26,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3596 [2020-10-28 17:01:26,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:26,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:01:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 17:01:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:01:26,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,110 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:27,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 17:01:27,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:27,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:27,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:27,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:27,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:27,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:27,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:27,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:01:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:01:27,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 17:01:27,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:01:27,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 17:01:27,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:01:27,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:01:27,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:01:27,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 17:01:27,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:27,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:27,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:01:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:01:27,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:01:27,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 17:01:27,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:01:27,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:01:27,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:27,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:27,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 17:01:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 17:01:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:27,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,351 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 17:01:27,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081255016] [2020-10-28 17:01:27,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:27,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:01:27,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107243185] [2020-10-28 17:01:27,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:01:27,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:27,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:01:27,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:01:27,355 INFO L87 Difference]: Start difference. First operand 317 states and 376 transitions. Second operand 8 states. [2020-10-28 17:01:28,459 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:28,883 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:01:29,315 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:29,733 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:01:30,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:30,749 INFO L93 Difference]: Finished difference Result 693 states and 885 transitions. [2020-10-28 17:01:30,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:01:30,756 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-10-28 17:01:30,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:30,759 INFO L225 Difference]: With dead ends: 693 [2020-10-28 17:01:30,760 INFO L226 Difference]: Without dead ends: 400 [2020-10-28 17:01:30,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:01:30,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-10-28 17:01:30,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 330. [2020-10-28 17:01:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-10-28 17:01:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 389 transitions. [2020-10-28 17:01:30,871 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 389 transitions. Word has length 90 [2020-10-28 17:01:30,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:30,871 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 389 transitions. [2020-10-28 17:01:30,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:01:30,871 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 389 transitions. [2020-10-28 17:01:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 17:01:30,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:30,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:01:30,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:01:30,874 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 17:01:30,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:30,875 INFO L82 PathProgramCache]: Analyzing trace with hash 746268973, now seen corresponding path program 1 times [2020-10-28 17:01:30,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:30,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840206602] [2020-10-28 17:01:30,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:30,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:33,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:33,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 17:01:33,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:01:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2737 [2020-10-28 17:01:33,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:33,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-28 17:01:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:33,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,070 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:34,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 17:01:34,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:34,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:34,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:34,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:34,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:34,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:34,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:34,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:34,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:34,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:34,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:34,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:01:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:01:34,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 17:01:34,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:01:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:34,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:01:34,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:01:34,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:34,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:01:34,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:34,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:34,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:01:34,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:01:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:01:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:01:34,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:01:34,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 17:01:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:01:34,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:34,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:34,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:34,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 17:01:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:34,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 17:01:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:34,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,313 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 17:01:34,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840206602] [2020-10-28 17:01:34,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:34,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 17:01:34,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130250457] [2020-10-28 17:01:34,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 17:01:34,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:34,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 17:01:34,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:01:34,316 INFO L87 Difference]: Start difference. First operand 330 states and 389 transitions. Second operand 7 states. [2020-10-28 17:01:35,761 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:36,169 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:36,563 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:37,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:37,591 INFO L93 Difference]: Finished difference Result 716 states and 906 transitions. [2020-10-28 17:01:37,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:01:37,592 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-28 17:01:37,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:37,596 INFO L225 Difference]: With dead ends: 716 [2020-10-28 17:01:37,596 INFO L226 Difference]: Without dead ends: 410 [2020-10-28 17:01:37,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:01:37,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-10-28 17:01:37,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 338. [2020-10-28 17:01:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-28 17:01:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 397 transitions. [2020-10-28 17:01:37,686 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 397 transitions. Word has length 90 [2020-10-28 17:01:37,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:37,686 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 397 transitions. [2020-10-28 17:01:37,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 17:01:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 397 transitions. [2020-10-28 17:01:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 17:01:37,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:37,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:01:37,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:01:37,689 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 17:01:37,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:37,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1715849996, now seen corresponding path program 1 times [2020-10-28 17:01:37,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:37,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524537865] [2020-10-28 17:01:37,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:37,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:37,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:38,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:39,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:39,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 17:01:39,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:01:39,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2190 [2020-10-28 17:01:39,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:39,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:01:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-28 17:01:39,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 17:01:39,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:40,422 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:40,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:40,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 17:01:40,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:40,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:40,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:40,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:01:40,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:40,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:40,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:01:40,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:40,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:40,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:40,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:40,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:40,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:40,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:40,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:40,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:40,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:40,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 17:01:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:01:40,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:01:40,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:01:40,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:40,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:01:40,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:01:40,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:01:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:40,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:40,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:40,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:01:40,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:40,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:01:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:01:40,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:01:40,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:01:40,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:40,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:01:40,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:40,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:40,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:40,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:40,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:40,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:40,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:40,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:40,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:40,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:40,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:40,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 17:01:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:40,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:01:40,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:01:40,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 17:01:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:40,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:40,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:40,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:40,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:40,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:40,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:40,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:40,730 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 17:01:40,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524537865] [2020-10-28 17:01:40,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:40,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:01:40,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257773343] [2020-10-28 17:01:40,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:01:40,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:40,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:01:40,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:01:40,733 INFO L87 Difference]: Start difference. First operand 338 states and 397 transitions. Second operand 8 states. [2020-10-28 17:01:41,606 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:01:42,676 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:01:43,187 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:01:43,691 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:01:44,126 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:01:45,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:45,899 INFO L93 Difference]: Finished difference Result 934 states and 1253 transitions. [2020-10-28 17:01:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:01:45,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-10-28 17:01:45,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:45,907 INFO L225 Difference]: With dead ends: 934 [2020-10-28 17:01:45,907 INFO L226 Difference]: Without dead ends: 620 [2020-10-28 17:01:45,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:01:45,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2020-10-28 17:01:46,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 544. [2020-10-28 17:01:46,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-10-28 17:01:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 677 transitions. [2020-10-28 17:01:46,090 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 677 transitions. Word has length 90 [2020-10-28 17:01:46,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:46,091 INFO L481 AbstractCegarLoop]: Abstraction has 544 states and 677 transitions. [2020-10-28 17:01:46,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:01:46,091 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 677 transitions. [2020-10-28 17:01:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-28 17:01:46,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:46,100 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 17:01:46,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:01:46,101 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 17:01:46,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:46,102 INFO L82 PathProgramCache]: Analyzing trace with hash 2066728499, now seen corresponding path program 1 times [2020-10-28 17:01:46,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:46,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050902346] [2020-10-28 17:01:46,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:46,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:46,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:46,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:47,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-28 17:01:51,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:01:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 17:01:51,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 17:01:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 17:01:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,520 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:51,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:51,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 17:01:51,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:51,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:51,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:51,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:51,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:51,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:01:51,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:51,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:51,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:01:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:51,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:51,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:01:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 17:01:51,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:01:51,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:01:51,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:01:51,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:01:51,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 17:01:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:01:51,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:51,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:51,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:51,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:01:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:01:51,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:51,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:01:51,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:51,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:51,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:51,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:51,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:01:51,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 17:01:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:01:51,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:51,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:01:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:51,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:51,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:51,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 17:01:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:51,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:51,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 17:01:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:51,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:51,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 17:01:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:51,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:51,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:51,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:51,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:51,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:51,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:51,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:01:51,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050902346] [2020-10-28 17:01:51,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:01:51,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:01:51,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680382260] [2020-10-28 17:01:51,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:01:51,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:51,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:01:51,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:01:51,817 INFO L87 Difference]: Start difference. First operand 544 states and 677 transitions. Second operand 8 states. [2020-10-28 17:01:52,371 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:55,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:55,197 INFO L93 Difference]: Finished difference Result 1147 states and 1587 transitions. [2020-10-28 17:01:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 17:01:55,198 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-10-28 17:01:55,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:55,206 INFO L225 Difference]: With dead ends: 1147 [2020-10-28 17:01:55,206 INFO L226 Difference]: Without dead ends: 871 [2020-10-28 17:01:55,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:01:55,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-10-28 17:01:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 620. [2020-10-28 17:01:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-28 17:01:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 773 transitions. [2020-10-28 17:01:55,370 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 773 transitions. Word has length 123 [2020-10-28 17:01:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:55,371 INFO L481 AbstractCegarLoop]: Abstraction has 620 states and 773 transitions. [2020-10-28 17:01:55,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:01:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 773 transitions. [2020-10-28 17:01:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-28 17:01:55,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:55,375 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 17:01:55,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:01:55,375 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 17:01:55,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:55,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1504968279, now seen corresponding path program 1 times [2020-10-28 17:01:55,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:55,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276537399] [2020-10-28 17:01:55,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:55,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:55,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:57,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:57,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 17:01:57,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:01:57,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2209 [2020-10-28 17:01:57,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:57,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:57,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:01:57,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-28 17:01:57,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-28 17:01:57,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:58,129 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:58,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:58,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 17:01:58,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:58,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:58,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:58,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:58,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:58,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:58,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:58,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:58,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:01:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 17:01:58,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:01:58,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 17:01:58,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:01:58,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:01:58,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:58,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:01:58,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:01:58,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:01:58,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:01:58,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:58,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:58,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:58,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:01:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:01:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:01:58,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:01:58,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:58,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:01:58,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:01:58,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:01:58,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:58,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:58,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:58,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:58,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 17:01:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:01:58,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:01:58,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:01:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:01:58,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:58,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:58,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 17:01:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:58,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:01:58,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:01:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:01:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:01:58,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 17:01:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:01:58,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:58,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:01:58,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:58,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:58,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 17:01:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:58,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:58,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:58,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-28 17:01:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:58,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:58,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:58,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:58,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:58,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:58,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:01:58,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276537399] [2020-10-28 17:01:58,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:01:58,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:01:58,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338601424] [2020-10-28 17:01:58,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:01:58,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:58,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:01:58,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:01:58,483 INFO L87 Difference]: Start difference. First operand 620 states and 773 transitions. Second operand 12 states. [2020-10-28 17:01:59,164 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:01:59,852 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:01,055 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:01,542 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:01,972 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:02,382 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:02,883 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:02:03,333 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:02:05,479 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:07,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:07,200 INFO L93 Difference]: Finished difference Result 1924 states and 2758 transitions. [2020-10-28 17:02:07,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-28 17:02:07,201 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 125 [2020-10-28 17:02:07,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:07,212 INFO L225 Difference]: With dead ends: 1924 [2020-10-28 17:02:07,213 INFO L226 Difference]: Without dead ends: 1328 [2020-10-28 17:02:07,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=259, Invalid=611, Unknown=0, NotChecked=0, Total=870 [2020-10-28 17:02:07,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2020-10-28 17:02:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 868. [2020-10-28 17:02:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2020-10-28 17:02:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1100 transitions. [2020-10-28 17:02:07,459 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1100 transitions. Word has length 125 [2020-10-28 17:02:07,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:07,459 INFO L481 AbstractCegarLoop]: Abstraction has 868 states and 1100 transitions. [2020-10-28 17:02:07,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:02:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1100 transitions. [2020-10-28 17:02:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-28 17:02:07,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:07,464 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 17:02:07,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:02:07,464 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 17:02:07,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:07,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1330648102, now seen corresponding path program 1 times [2020-10-28 17:02:07,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:07,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978344258] [2020-10-28 17:02:07,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 17:02:07,506 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 17:02:07,506 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 17:02:07,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:02:07,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:02:07 BoogieIcfgContainer [2020-10-28 17:02:07,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:02:07,544 INFO L168 Benchmark]: Toolchain (without parser) took 78853.64 ms. Allocated memory was 151.0 MB in the beginning and 843.1 MB in the end (delta: 692.1 MB). Free memory was 124.9 MB in the beginning and 520.4 MB in the end (delta: -395.5 MB). Peak memory consumption was 297.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:07,545 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory was 122.1 MB in the beginning and 121.7 MB in the end (delta: 435.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:02:07,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.12 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 102.9 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:07,546 INFO L168 Benchmark]: Boogie Preprocessor took 109.45 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: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:07,547 INFO L168 Benchmark]: RCFGBuilder took 1630.41 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 49.7 MB in the end (delta: 49.2 MB). Peak memory consumption was 48.5 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:07,547 INFO L168 Benchmark]: TraceAbstraction took 76509.17 ms. Allocated memory was 151.0 MB in the beginning and 843.1 MB in the end (delta: 692.1 MB). Free memory was 49.2 MB in the beginning and 520.4 MB in the end (delta: -471.2 MB). Peak memory consumption was 221.4 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:07,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory was 122.1 MB in the beginning and 121.7 MB in the end (delta: 435.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 586.12 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 102.9 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 109.45 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: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1630.41 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 49.7 MB in the end (delta: 49.2 MB). Peak memory consumption was 48.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 76509.17 ms. Allocated memory was 151.0 MB in the beginning and 843.1 MB in the end (delta: 692.1 MB). Free memory was 49.2 MB in the beginning and 520.4 MB in the end (delta: -471.2 MB). Peak memory consumption was 221.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L417] int waterLevel = 1; [L418] int methaneLevelCritical = 0; [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L393] int retValue_acc ; [L394] int tmp ; [L398] FCALL select_helpers() [L399] FCALL select_features() [L400] CALL, EXPR valid_product() [L537] int retValue_acc ; [L540] retValue_acc = 1 [L541] return (retValue_acc); [L400] RET, EXPR valid_product() [L400] tmp = valid_product() [L402] COND TRUE \read(tmp) [L404] FCALL setup() [L405] CALL runTest() [L384] CALL test() [L48] int splverifierCounter ; [L49] int tmp ; [L50] int tmp___0 ; [L51] int tmp___1 ; [L52] int tmp___2 ; [L55] splverifierCounter = 0 [L57] COND TRUE 1 [L59] COND TRUE splverifierCounter < 4 [L65] tmp = __VERIFIER_nondet_int() [L67] COND TRUE \read(tmp) [L69] CALL waterRise() [L435] COND TRUE waterLevel < 2 [L436] waterLevel = waterLevel + 1 [L69] RET waterRise() [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) [L102] CALL timeShift() [L130] COND FALSE !(\read(pumpRunning)) [L137] COND TRUE \read(systemActive) [L139] CALL processEnvironment() [L159] int tmp ; [L162] COND TRUE ! pumpRunning [L164] CALL, EXPR isHighWaterLevel() [L274] int retValue_acc ; [L275] int tmp ; [L276] int tmp___0 ; [L280] CALL, EXPR isHighWaterSensorDry() [L497] int retValue_acc ; [L500] COND FALSE !(waterLevel < 2) [L504] retValue_acc = 0 [L505] return (retValue_acc); [L280] RET, EXPR isHighWaterSensorDry() [L280] tmp = isHighWaterSensorDry() [L282] COND FALSE !(\read(tmp)) [L285] tmp___0 = 1 [L287] retValue_acc = tmp___0 [L288] return (retValue_acc); [L164] RET, EXPR isHighWaterLevel() [L164] tmp = isHighWaterLevel() [L166] COND TRUE \read(tmp) [L168] CALL activatePump() [L193] int tmp ; [L197] CALL, EXPR isMethaneAlarm() [L218] int retValue_acc ; [L222] CALL, EXPR isMethaneLevelCritical() [L456] int retValue_acc ; [L459] retValue_acc = methaneLevelCritical [L460] return (retValue_acc); [L222] RET, EXPR isMethaneLevelCritical() [L222] retValue_acc = isMethaneLevelCritical() [L224] return (retValue_acc); [L197] RET, EXPR isMethaneAlarm() [L197] tmp = isMethaneAlarm() [L199] COND FALSE !(\read(tmp)) [L203] CALL activatePump__wrappee__highWaterSensor() [L187] pumpRunning = 1 [L203] RET activatePump__wrappee__highWaterSensor() [L168] RET activatePump() [L139] RET processEnvironment() [L145] CALL __utac_acc__Specification4_spec__1() [L913] int tmp ; [L914] int tmp___0 ; [L918] CALL, EXPR getWaterLevel() [L488] int retValue_acc ; [L491] retValue_acc = waterLevel [L492] return (retValue_acc); [L918] RET, EXPR getWaterLevel() [L918] tmp = getWaterLevel() [L920] COND FALSE !(tmp == 0) [L145] RET __utac_acc__Specification4_spec__1() [L102] RET timeShift() [L57] COND TRUE 1 [L59] COND TRUE splverifierCounter < 4 [L65] tmp = __VERIFIER_nondet_int() [L67] COND FALSE !(\read(tmp)) [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) [L102] CALL timeShift() [L130] COND TRUE \read(pumpRunning) [L132] CALL lowerWaterLevel() [L423] COND TRUE waterLevel > 0 [L424] waterLevel = waterLevel - 1 [L132] RET lowerWaterLevel() [L137] COND TRUE \read(systemActive) [L139] CALL processEnvironment() [L159] int tmp ; [L162] COND FALSE !(! pumpRunning) [L177] FCALL processEnvironment__wrappee__base() [L139] RET processEnvironment() [L145] CALL __utac_acc__Specification4_spec__1() [L913] int tmp ; [L914] int tmp___0 ; [L918] CALL, EXPR getWaterLevel() [L488] int retValue_acc ; [L491] retValue_acc = waterLevel [L492] return (retValue_acc); [L918] RET, EXPR getWaterLevel() [L918] tmp = getWaterLevel() [L920] COND FALSE !(tmp == 0) [L145] RET __utac_acc__Specification4_spec__1() [L102] RET timeShift() [L57] COND TRUE 1 [L59] COND TRUE splverifierCounter < 4 [L65] tmp = __VERIFIER_nondet_int() [L67] COND FALSE !(\read(tmp)) [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) [L102] CALL timeShift() [L130] COND TRUE \read(pumpRunning) [L132] CALL lowerWaterLevel() [L423] COND TRUE waterLevel > 0 [L424] waterLevel = waterLevel - 1 [L132] RET lowerWaterLevel() [L137] COND TRUE \read(systemActive) [L139] CALL processEnvironment() [L159] int tmp ; [L162] COND FALSE !(! pumpRunning) [L177] FCALL processEnvironment__wrappee__base() [L139] RET processEnvironment() [L145] CALL __utac_acc__Specification4_spec__1() [L913] int tmp ; [L914] int tmp___0 ; [L918] CALL, EXPR getWaterLevel() [L488] int retValue_acc ; [L491] retValue_acc = waterLevel [L492] return (retValue_acc); [L918] RET, EXPR getWaterLevel() [L918] tmp = getWaterLevel() [L920] COND TRUE tmp == 0 [L922] CALL, EXPR isPumpRunning() [L229] int retValue_acc ; [L232] retValue_acc = pumpRunning [L233] return (retValue_acc); [L922] RET, EXPR isPumpRunning() [L922] tmp___0 = isPumpRunning() [L924] COND TRUE \read(tmp___0) [L926] CALL __automaton_fail() [L312] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product43.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 76.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 35.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1147 SDtfs, 1704 SDslu, 1133 SDs, 0 SdLazy, 5028 SolverSat, 1160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 343 GetRequests, 242 SyntacticMatches, 8 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred 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: 1.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 1105 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 39.3s InterpolantComputationTime, 887 NumberOfCodeBlocks, 887 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 714 ConstructedInterpolants, 0 QuantifiedInterpolants, 240840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 38/43 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...