/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:45:02,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:45:02,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:45:02,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:45:02,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:45:02,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:45:02,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:45:02,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:45:02,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:45:02,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:45:02,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:45:02,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:45:02,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:45:02,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:45:02,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:45:02,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:45:02,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:45:02,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:45:02,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:45:02,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:45:02,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:45:02,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:45:02,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:45:02,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:45:02,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:45:02,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:45:02,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:45:02,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:45:02,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:45:02,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:45:02,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:45:02,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:45:02,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:45:02,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:45:02,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:45:02,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:45:02,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:45:02,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:45:02,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:45:02,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:45:02,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:45:02,616 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 [2020-10-29 11:45:02,673 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:45:02,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:45:02,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:45:02,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:45:02,679 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:45:02,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:45:02,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:45:02,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:45:02,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:45:02,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:45:02,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:45:02,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:45:02,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:45:02,682 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:45:02,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:45:02,683 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:45:02,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:45:02,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:45:02,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:45:02,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:45:02,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:45:02,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:45:02,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:45:02,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:45:02,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:45:02,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:45:02,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:45:02,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:45:02,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:45:02,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:45:03,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:45:03,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:45:03,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:45:03,153 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:45:03,154 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:45:03,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-10-29 11:45:03,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/653365463/2f1af54ecafb4122be31fb744f520c57/FLAG0d6fa1dfa [2020-10-29 11:45:03,984 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:45:03,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-10-29 11:45:04,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/653365463/2f1af54ecafb4122be31fb744f520c57/FLAG0d6fa1dfa [2020-10-29 11:45:04,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/653365463/2f1af54ecafb4122be31fb744f520c57 [2020-10-29 11:45:04,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:45:04,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:45:04,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:45:04,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:45:04,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:45:04,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:45:04" (1/1) ... [2020-10-29 11:45:04,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce04c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04, skipping insertion in model container [2020-10-29 11:45:04,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:45:04" (1/1) ... [2020-10-29 11:45:04,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:45:04,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:45:04,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:45:04,765 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:45:04,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:45:04,913 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:45:04,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04 WrapperNode [2020-10-29 11:45:04,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:45:04,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:45:04,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:45:04,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:45:04,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04" (1/1) ... [2020-10-29 11:45:04,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04" (1/1) ... [2020-10-29 11:45:04,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04" (1/1) ... [2020-10-29 11:45:04,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04" (1/1) ... [2020-10-29 11:45:04,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04" (1/1) ... [2020-10-29 11:45:04,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04" (1/1) ... [2020-10-29 11:45:04,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04" (1/1) ... [2020-10-29 11:45:05,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:45:05,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:45:05,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:45:05,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:45:05,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04" (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 [2020-10-29 11:45:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:45:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:45:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:45:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:45:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:45:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:45:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:45:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:45:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:45:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-29 11:45:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:45:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:45:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:45:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:45:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:45:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:45:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:45:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:45:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:45:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:45:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:45:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:45:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:45:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:45:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:45:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:45:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:45:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:45:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:45:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:45:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:45:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:45:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:45:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:45:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:45:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:45:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:45:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:45:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:45:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:45:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:45:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:45:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:45:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:45:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:45:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:45:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:45:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:45:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:45:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:45:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:45:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:45:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:45:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:45:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:45:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:45:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:45:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:45:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:45:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:45:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:45:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:45:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:45:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:45:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:45:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-29 11:45:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:45:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:45:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:45:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:45:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:45:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:45:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:45:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:45:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:45:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:45:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:45:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:45:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:45:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:45:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:45:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:45:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:45:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:45:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:45:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:45:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:45:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:45:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:45:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:45:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:45:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:45:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:45:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:45:06,312 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:45:06,313 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:45:06,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:45:06 BoogieIcfgContainer [2020-10-29 11:45:06,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:45:06,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:45:06,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:45:06,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:45:06,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:45:04" (1/3) ... [2020-10-29 11:45:06,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b117d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:45:06, skipping insertion in model container [2020-10-29 11:45:06,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:04" (2/3) ... [2020-10-29 11:45:06,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b117d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:45:06, skipping insertion in model container [2020-10-29 11:45:06,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:45:06" (3/3) ... [2020-10-29 11:45:06,359 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2020-10-29 11:45:06,370 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:45:06,376 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:45:06,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:45:06,421 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:45:06,421 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:45:06,421 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:45:06,421 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:45:06,421 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:45:06,421 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:45:06,422 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:45:06,422 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:45:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-10-29 11:45:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:45:06,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:06,456 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] [2020-10-29 11:45:06,456 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]=== [2020-10-29 11:45:06,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:06,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1802379567, now seen corresponding path program 1 times [2020-10-29 11:45:06,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:06,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646001861] [2020-10-29 11:45:06,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:06,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:09,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:09,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:11,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:11,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:45:11,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:45:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 11:45:11,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:11,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:45:11,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-29 11:45:12,298 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:12,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:12,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:12,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:12,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:12,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:12,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 11:45:12,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:12,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:45:12,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:12,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:12,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:12,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:12,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:12,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:12,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:12,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:12,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:12,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:12,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:12,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:12,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:12,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:12,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:12,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:12,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:12,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:12,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:12,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:12,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:12,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:45:12,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:12,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:12,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:12,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:12,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:12,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:12,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:12,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:12,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:12,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:12,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:12,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:45:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:12,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:12,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:12,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:12,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:12,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:12,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:12,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:45:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:12,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:12,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:12,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:12,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:12,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:12,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:12,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:45:12,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646001861] [2020-10-29 11:45:12,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:45:12,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:45:12,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199274839] [2020-10-29 11:45:12,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:45:12,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:12,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:45:12,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:45:12,612 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 4 states. [2020-10-29 11:45:13,125 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:14,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:45:14,728 INFO L93 Difference]: Finished difference Result 314 states and 408 transitions. [2020-10-29 11:45:14,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:45:14,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:45:14,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:45:14,745 INFO L225 Difference]: With dead ends: 314 [2020-10-29 11:45:14,745 INFO L226 Difference]: Without dead ends: 168 [2020-10-29 11:45:14,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:45:14,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-10-29 11:45:14,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 134. [2020-10-29 11:45:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-29 11:45:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2020-10-29 11:45:14,891 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 47 [2020-10-29 11:45:14,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:45:14,892 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2020-10-29 11:45:14,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:45:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2020-10-29 11:45:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-29 11:45:14,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:14,901 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] [2020-10-29 11:45:14,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:45:14,902 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]=== [2020-10-29 11:45:14,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:14,904 INFO L82 PathProgramCache]: Analyzing trace with hash 297271968, now seen corresponding path program 1 times [2020-10-29 11:45:14,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:14,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699505044] [2020-10-29 11:45:14,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:14,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:15,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:15,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:16,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-29 11:45:19,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:45:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-29 11:45:19,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:45:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 11:45:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:20,400 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:20,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:20,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:20,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 11:45:20,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:20,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:20,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:45:20,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:20,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:20,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:20,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:20,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:20,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:20,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:20,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:20,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:20,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:20,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:20,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:20,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:20,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:20,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:20,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 11:45:20,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:20,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:45:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:45:20,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:45:20,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 11:45:20,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:45:20,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:45:20,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:20,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:20,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:20,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:20,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:20,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:20,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:20,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:20,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:20,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:20,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:20,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 11:45:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:20,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:20,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:45:20,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:20,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:20,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:20,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 11:45:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:20,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:20,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:20,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:20,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:20,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:20,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:20,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:45:20,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699505044] [2020-10-29 11:45:20,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:45:20,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:45:20,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563389829] [2020-10-29 11:45:20,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:45:20,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:20,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:45:20,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:45:20,701 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 8 states. [2020-10-29 11:45:21,356 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:23,144 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:23,692 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:24,133 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:24,597 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:26,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:45:26,367 INFO L93 Difference]: Finished difference Result 424 states and 571 transitions. [2020-10-29 11:45:26,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:45:26,368 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-10-29 11:45:26,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:45:26,375 INFO L225 Difference]: With dead ends: 424 [2020-10-29 11:45:26,375 INFO L226 Difference]: Without dead ends: 314 [2020-10-29 11:45:26,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:45:26,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-10-29 11:45:26,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 245. [2020-10-29 11:45:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-29 11:45:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 296 transitions. [2020-10-29 11:45:26,489 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 296 transitions. Word has length 65 [2020-10-29 11:45:26,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:45:26,490 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 296 transitions. [2020-10-29 11:45:26,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:45:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 296 transitions. [2020-10-29 11:45:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 11:45:26,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:26,494 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] [2020-10-29 11:45:26,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:45:26,495 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]=== [2020-10-29 11:45:26,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:26,495 INFO L82 PathProgramCache]: Analyzing trace with hash -571323546, now seen corresponding path program 1 times [2020-10-29 11:45:26,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:26,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764519860] [2020-10-29 11:45:26,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:26,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:26,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:26,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:29,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:30,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:30,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:31,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:31,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 11:45:31,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:45:31,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 11:45:31,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:31,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:45:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 11:45:31,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:31,938 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:31,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:32,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 11:45:32,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:45:32,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:32,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:32,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:32,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:32,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:32,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:32,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:32,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:32,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:32,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:32,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:32,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:32,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:32,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:32,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:32,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:32,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:45:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:32,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:32,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:32,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:45:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:45:32,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:45:32,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:45:32,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:45:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:45:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:45:32,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:45:32,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:45:32,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:32,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:45:32,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:45:32,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:32,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:32,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:32,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:32,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:32,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 11:45:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:32,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:32,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:32,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:32,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 11:45:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:32,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:32,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:32,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:32,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:32,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:32,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:32,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:45:32,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764519860] [2020-10-29 11:45:32,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:45:32,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 11:45:32,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639361995] [2020-10-29 11:45:32,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:45:32,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:32,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:45:32,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:45:32,319 INFO L87 Difference]: Start difference. First operand 245 states and 296 transitions. Second operand 10 states. [2020-10-29 11:45:33,056 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:34,710 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:35,135 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:35,508 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:36,048 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:36,456 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:38,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:45:38,333 INFO L93 Difference]: Finished difference Result 670 states and 947 transitions. [2020-10-29 11:45:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:45:38,333 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-10-29 11:45:38,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:45:38,339 INFO L225 Difference]: With dead ends: 670 [2020-10-29 11:45:38,339 INFO L226 Difference]: Without dead ends: 449 [2020-10-29 11:45:38,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:45:38,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-10-29 11:45:38,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 359. [2020-10-29 11:45:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-10-29 11:45:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 449 transitions. [2020-10-29 11:45:38,490 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 449 transitions. Word has length 69 [2020-10-29 11:45:38,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:45:38,490 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 449 transitions. [2020-10-29 11:45:38,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:45:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 449 transitions. [2020-10-29 11:45:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-29 11:45:38,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:38,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:45:38,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:45:38,496 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]=== [2020-10-29 11:45:38,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:38,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1686137147, now seen corresponding path program 1 times [2020-10-29 11:45:38,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:38,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099631965] [2020-10-29 11:45:38,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:43,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:43,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 11:45:43,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:45:43,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 11:45:43,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:43,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:43,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:45:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 11:45:43,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:43,946 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:43,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:43,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:44,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 11:45:44,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:45:44,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:44,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:44,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:44,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:44,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:44,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:44,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:44,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:44,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:44,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:44,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:44,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:44,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:44,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:44,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:45:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:44,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:45:44,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:45:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:45:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:45:44,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:45:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:45:44,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:45:44,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 11:45:44,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:45:44,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:45:44,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:45:44,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 11:45:44,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:45:44,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:45:44,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:45:44,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:45:44,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 11:45:44,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:44,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:45:44,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:45:44,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:44,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:44,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:44,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:45:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:45:44,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:45:44,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:44,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:45:44,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:44,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:45:44,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:44,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:44,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:44,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:44,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:44,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:44,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 11:45:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:44,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:44,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:44,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 11:45:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:44,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:44,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:44,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:44,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:44,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:44,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:44,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:45:44,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099631965] [2020-10-29 11:45:44,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:45:44,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-29 11:45:44,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859740264] [2020-10-29 11:45:44,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:45:44,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:44,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:45:44,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:45:44,531 INFO L87 Difference]: Start difference. First operand 359 states and 449 transitions. Second operand 15 states. [2020-10-29 11:45:45,284 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:46,331 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:47,052 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:47,484 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:45:47,937 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:48,376 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:48,846 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:49,302 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:45:49,751 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:50,159 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:51,044 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-29 11:45:51,552 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:45:51,988 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:45:53,053 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-29 11:45:53,589 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:45:54,001 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:45:55,501 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:55,947 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:56,444 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:56,897 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:57,749 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:45:58,297 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:46:01,086 INFO L93 Difference]: Finished difference Result 1081 states and 1712 transitions. [2020-10-29 11:46:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-29 11:46:01,086 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 99 [2020-10-29 11:46:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:46:01,094 INFO L225 Difference]: With dead ends: 1081 [2020-10-29 11:46:01,095 INFO L226 Difference]: Without dead ends: 746 [2020-10-29 11:46:01,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=381, Invalid=1781, Unknown=0, NotChecked=0, Total=2162 [2020-10-29 11:46:01,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-10-29 11:46:01,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 552. [2020-10-29 11:46:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-10-29 11:46:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 730 transitions. [2020-10-29 11:46:01,253 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 730 transitions. Word has length 99 [2020-10-29 11:46:01,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:46:01,254 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 730 transitions. [2020-10-29 11:46:01,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:46:01,254 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 730 transitions. [2020-10-29 11:46:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-29 11:46:01,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:46:01,260 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, 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] [2020-10-29 11:46:01,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:46:01,261 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]=== [2020-10-29 11:46:01,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:46:01,261 INFO L82 PathProgramCache]: Analyzing trace with hash 154939365, now seen corresponding path program 1 times [2020-10-29 11:46:01,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:46:01,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218464501] [2020-10-29 11:46:01,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:46:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:01,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:01,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:01,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:05,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:06,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-29 11:46:06,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:46:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 11:46:06,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:06,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:46:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-29 11:46:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:06,677 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:46:06,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:46:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:06,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:06,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:06,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:06,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 11:46:06,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:06,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:06,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:06,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:46:06,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:06,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:46:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:06,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:06,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:06,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:06,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:06,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:06,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:06,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:06,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:46:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:06,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:06,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:06,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:06,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:06,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:06,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:06,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:06,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:06,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:06,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:06,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:06,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:06,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:06,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:06,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:06,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:06,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:06,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:06,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:46:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:06,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:06,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:06,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:06,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:06,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:06,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:06,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:46:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:06,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:06,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:06,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:06,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:06,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:46:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:46:06,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:06,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:46:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:06,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:06,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:46:06,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:46:06,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 11:46:06,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:06,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:06,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:06,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:06,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 11:46:06,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:06,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:06,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:06,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:06,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:46:06,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:46:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 11:46:06,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:06,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:46:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:06,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:46:07,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:46:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:46:07,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:46:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:46:07,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:46:07,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:46:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:07,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:07,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:46:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:07,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:46:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:46:07,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:07,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:46:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:07,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:07,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:07,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:07,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:07,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:07,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:07,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:07,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:46:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:46:07,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:07,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:46:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:07,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:07,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 11:46:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:07,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:07,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:46:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 11:46:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:07,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:07,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 11:46:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:46:07,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:46:07,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-29 11:46:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:07,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:07,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:07,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:07,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 11:46:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:46:07,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:07,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:07,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:07,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:07,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 11:46:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:07,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:07,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 11:46:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:07,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:07,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:07,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:07,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:07,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:07,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:07,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:07,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:07,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:07,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:07,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-29 11:46:07,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218464501] [2020-10-29 11:46:07,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:46:07,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 11:46:07,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769386160] [2020-10-29 11:46:07,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 11:46:07,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:46:07,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 11:46:07,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:46:07,270 INFO L87 Difference]: Start difference. First operand 552 states and 730 transitions. Second operand 14 states. [2020-10-29 11:46:08,547 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 204 [2020-10-29 11:46:09,443 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:46:10,342 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206 [2020-10-29 11:46:11,096 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 206 [2020-10-29 11:46:11,824 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-10-29 11:46:12,341 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:13,942 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:14,351 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:14,738 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:15,189 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:46:18,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:46:18,544 INFO L93 Difference]: Finished difference Result 1151 states and 1732 transitions. [2020-10-29 11:46:18,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 11:46:18,544 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 154 [2020-10-29 11:46:18,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:46:18,550 INFO L225 Difference]: With dead ends: 1151 [2020-10-29 11:46:18,551 INFO L226 Difference]: Without dead ends: 596 [2020-10-29 11:46:18,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 11:46:18,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-10-29 11:46:18,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 493. [2020-10-29 11:46:18,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-10-29 11:46:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 626 transitions. [2020-10-29 11:46:18,685 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 626 transitions. Word has length 154 [2020-10-29 11:46:18,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:46:18,685 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 626 transitions. [2020-10-29 11:46:18,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 11:46:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 626 transitions. [2020-10-29 11:46:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-29 11:46:18,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:46:18,688 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:46:18,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:46:18,689 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]=== [2020-10-29 11:46:18,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:46:18,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1268629851, now seen corresponding path program 1 times [2020-10-29 11:46:18,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:46:18,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265095741] [2020-10-29 11:46:18,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:46:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:18,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:18,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:18,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:20,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:20,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-29 11:46:20,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:46:20,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2166 [2020-10-29 11:46:20,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:20,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:20,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 11:46:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-29 11:46:20,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,252 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:46:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:46:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 11:46:21,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:46:21,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:46:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:21,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:46:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:21,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:21,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:21,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:21,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:21,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:21,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:46:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:21,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:21,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:21,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:21,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:46:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:21,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:46:21,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:21,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:46:21,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:46:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:46:21,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:46:21,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 11:46:21,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 11:46:21,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:46:21,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:46:21,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:46:21,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:46:21,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:21,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:46:21,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:21,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:21,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:21,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:21,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:46:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:46:21,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:21,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:21,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:21,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:21,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:21,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:46:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:46:21,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:21,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:21,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:46:21,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:21,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 11:46:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:21,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:46:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:21,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:46:21,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 11:46:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:46:21,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:46:21,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:21,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 11:46:21,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:21,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:21,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:21,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 11:46:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:46:21,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:21,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:21,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:21,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 11:46:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:21,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:21,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:21,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:21,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 11:46:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:21,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:21,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:21,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:21,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:21,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:21,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:21,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:21,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:21,780 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-29 11:46:21,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265095741] [2020-10-29 11:46:21,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:46:21,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 11:46:21,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473705584] [2020-10-29 11:46:21,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 11:46:21,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:46:21,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 11:46:21,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:46:21,782 INFO L87 Difference]: Start difference. First operand 493 states and 626 transitions. Second operand 14 states. [2020-10-29 11:46:22,443 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:46:23,710 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-29 11:46:25,379 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 206 [2020-10-29 11:46:25,827 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:26,263 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:27,115 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2020-10-29 11:46:27,970 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-29 11:46:28,824 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-29 11:46:29,834 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:30,850 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 11:46:31,350 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:31,759 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:32,388 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:33,806 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:46:34,289 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 11:46:34,855 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:46:35,284 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:46:35,684 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:36,593 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:37,552 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 11:46:38,054 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:46:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:46:43,258 INFO L93 Difference]: Finished difference Result 1613 states and 2427 transitions. [2020-10-29 11:46:43,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-29 11:46:43,259 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 146 [2020-10-29 11:46:43,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:46:43,272 INFO L225 Difference]: With dead ends: 1613 [2020-10-29 11:46:43,272 INFO L226 Difference]: Without dead ends: 1203 [2020-10-29 11:46:43,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=630, Invalid=2676, Unknown=0, NotChecked=0, Total=3306 [2020-10-29 11:46:43,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2020-10-29 11:46:43,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 913. [2020-10-29 11:46:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2020-10-29 11:46:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1241 transitions. [2020-10-29 11:46:43,545 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1241 transitions. Word has length 146 [2020-10-29 11:46:43,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:46:43,546 INFO L481 AbstractCegarLoop]: Abstraction has 913 states and 1241 transitions. [2020-10-29 11:46:43,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 11:46:43,546 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1241 transitions. [2020-10-29 11:46:43,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-29 11:46:43,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:46:43,552 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 11:46:43,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:46:43,552 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]=== [2020-10-29 11:46:43,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:46:43,553 INFO L82 PathProgramCache]: Analyzing trace with hash 271284071, now seen corresponding path program 1 times [2020-10-29 11:46:43,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:46:43,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749521486] [2020-10-29 11:46:43,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:46:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:43,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:43,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:43,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:43,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:43,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-29 11:46:43,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:46:43,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-29 11:46:43,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:43,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 11:46:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-29 11:46:43,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,347 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:46:44,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:46:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 11:46:44,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:46:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:44,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:46:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:44,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:46:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:44,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:46:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:44,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:46:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 11:46:44,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:46:44,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:46:44,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:44,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:46:44,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:46:44,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:46:44,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:44,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:44,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:46:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:46:44,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:44,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:44,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:46:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:46:44,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 11:46:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:46:44,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:46:44,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 11:46:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:46:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:46:44,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:44,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:44,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 11:46:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:46:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:44,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:46:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:46:44,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-29 11:46:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-29 11:46:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:46:44,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:44,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-29 11:46:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:44,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 11:46:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:46:44,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:44,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:44,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-29 11:46:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:44,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-29 11:46:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:44,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-29 11:46:44,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749521486] [2020-10-29 11:46:44,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:46:44,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 11:46:44,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100523278] [2020-10-29 11:46:44,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 11:46:44,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:46:44,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 11:46:44,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:46:44,748 INFO L87 Difference]: Start difference. First operand 913 states and 1241 transitions. Second operand 7 states. [2020-10-29 11:46:45,454 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:46,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:46:46,906 INFO L93 Difference]: Finished difference Result 1489 states and 1913 transitions. [2020-10-29 11:46:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:46:46,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-10-29 11:46:46,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:46:46,914 INFO L225 Difference]: With dead ends: 1489 [2020-10-29 11:46:46,915 INFO L226 Difference]: Without dead ends: 823 [2020-10-29 11:46:46,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:46:46,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-10-29 11:46:47,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 793. [2020-10-29 11:46:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-10-29 11:46:47,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 989 transitions. [2020-10-29 11:46:47,124 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 989 transitions. Word has length 197 [2020-10-29 11:46:47,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:46:47,125 INFO L481 AbstractCegarLoop]: Abstraction has 793 states and 989 transitions. [2020-10-29 11:46:47,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 11:46:47,125 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 989 transitions. [2020-10-29 11:46:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-29 11:46:47,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:46:47,130 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:46:47,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:46:47,131 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]=== [2020-10-29 11:46:47,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:46:47,131 INFO L82 PathProgramCache]: Analyzing trace with hash -368689640, now seen corresponding path program 1 times [2020-10-29 11:46:47,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:46:47,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929079779] [2020-10-29 11:46:47,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:46:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 11:46:47,218 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 11:46:47,218 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 11:46:47,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:46:47,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:46:47 BoogieIcfgContainer [2020-10-29 11:46:47,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:46:47,263 INFO L168 Benchmark]: Toolchain (without parser) took 102959.11 ms. Allocated memory was 151.0 MB in the beginning and 685.8 MB in the end (delta: 534.8 MB). Free memory was 125.4 MB in the beginning and 639.7 MB in the end (delta: -514.3 MB). Peak memory consumption was 422.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:47,264 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:46:47,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.76 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:47,265 INFO L168 Benchmark]: Boogie Preprocessor took 86.41 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 99.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:47,265 INFO L168 Benchmark]: RCFGBuilder took 1315.99 ms. Allocated memory is still 151.0 MB. Free memory was 99.8 MB in the beginning and 49.8 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:47,266 INFO L168 Benchmark]: TraceAbstraction took 100908.53 ms. Allocated memory was 151.0 MB in the beginning and 685.8 MB in the end (delta: 534.8 MB). Free memory was 130.7 MB in the beginning and 639.7 MB in the end (delta: -509.0 MB). Peak memory consumption was 425.8 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:47,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 598.76 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.41 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 99.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1315.99 ms. Allocated memory is still 151.0 MB. Free memory was 99.8 MB in the beginning and 49.8 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 100908.53 ms. Allocated memory was 151.0 MB in the beginning and 685.8 MB in the end (delta: 534.8 MB). Free memory was 130.7 MB in the beginning and 639.7 MB in the end (delta: -509.0 MB). Peak memory consumption was 425.8 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: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L717] int cleanupTimeShifts = 4; [L816] int waterLevel = 1; [L817] int methaneLevelCritical = 0; [L793] int retValue_acc ; [L794] int tmp ; [L798] FCALL select_helpers() [L799] FCALL select_features() [L800] CALL, EXPR valid_product() [L936] int retValue_acc ; [L939] retValue_acc = 1 [L940] return (retValue_acc); [L800] RET, EXPR valid_product() [L800] tmp = valid_product() [L802] COND TRUE \read(tmp) [L804] FCALL setup() [L805] CALL runTest() [L784] CALL test() [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND TRUE \read(tmp) [L68] CALL waterRise() [L834] COND TRUE waterLevel < 2 [L835] waterLevel = waterLevel + 1 [L68] RET waterRise() [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L99] CALL timeShift() [L127] COND FALSE !(\read(pumpRunning)) [L134] COND TRUE \read(systemActive) [L136] CALL processEnvironment() [L182] int tmp ; [L185] COND FALSE !(\read(pumpRunning)) [L200] CALL processEnvironment__wrappee__methaneQuery() [L156] int tmp ; [L159] COND TRUE ! pumpRunning [L161] CALL, EXPR isHighWaterLevel() [L296] int retValue_acc ; [L297] int tmp ; [L298] int tmp___0 ; [L302] CALL, EXPR isHighWaterSensorDry() [L896] int retValue_acc ; [L899] COND FALSE !(waterLevel < 2) [L903] retValue_acc = 0 [L904] return (retValue_acc); [L302] RET, EXPR isHighWaterSensorDry() [L302] tmp = isHighWaterSensorDry() [L304] COND FALSE !(\read(tmp)) [L307] tmp___0 = 1 [L309] retValue_acc = tmp___0 [L310] return (retValue_acc); [L161] RET, EXPR isHighWaterLevel() [L161] tmp = isHighWaterLevel() [L163] COND TRUE \read(tmp) [L165] CALL activatePump() [L215] int tmp ; [L219] CALL, EXPR isMethaneAlarm() [L240] int retValue_acc ; [L244] CALL, EXPR isMethaneLevelCritical() [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); [L244] RET, EXPR isMethaneLevelCritical() [L244] retValue_acc = isMethaneLevelCritical() [L246] return (retValue_acc); [L219] RET, EXPR isMethaneAlarm() [L219] tmp = isMethaneAlarm() [L221] COND FALSE !(\read(tmp)) [L225] CALL activatePump__wrappee__highWaterSensor() [L210] pumpRunning = 1 [L225] RET activatePump__wrappee__highWaterSensor() [L165] RET activatePump() [L200] RET processEnvironment__wrappee__methaneQuery() [L136] RET processEnvironment() [L142] CALL __utac_acc__Specification4_spec__1() [L692] int tmp ; [L693] int tmp___0 ; [L697] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); [L697] RET, EXPR getWaterLevel() [L697] tmp = getWaterLevel() [L699] COND FALSE !(tmp == 0) [L142] RET __utac_acc__Specification4_spec__1() [L99] RET timeShift() [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L99] CALL timeShift() [L127] COND TRUE \read(pumpRunning) [L129] CALL lowerWaterLevel() [L822] COND TRUE waterLevel > 0 [L823] waterLevel = waterLevel - 1 [L129] RET lowerWaterLevel() [L134] COND TRUE \read(systemActive) [L136] CALL processEnvironment() [L182] int tmp ; [L185] COND TRUE \read(pumpRunning) [L187] CALL, EXPR isMethaneAlarm() [L240] int retValue_acc ; [L244] CALL, EXPR isMethaneLevelCritical() [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); [L244] RET, EXPR isMethaneLevelCritical() [L244] retValue_acc = isMethaneLevelCritical() [L246] return (retValue_acc); [L187] RET, EXPR isMethaneAlarm() [L187] tmp = isMethaneAlarm() [L189] COND FALSE !(\read(tmp)) [L195] CALL processEnvironment__wrappee__methaneQuery() [L156] int tmp ; [L159] COND FALSE !(! pumpRunning) [L174] FCALL processEnvironment__wrappee__base() [L195] RET processEnvironment__wrappee__methaneQuery() [L136] RET processEnvironment() [L142] CALL __utac_acc__Specification4_spec__1() [L692] int tmp ; [L693] int tmp___0 ; [L697] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); [L697] RET, EXPR getWaterLevel() [L697] tmp = getWaterLevel() [L699] COND FALSE !(tmp == 0) [L142] RET __utac_acc__Specification4_spec__1() [L99] RET timeShift() [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L99] CALL timeShift() [L127] COND TRUE \read(pumpRunning) [L129] CALL lowerWaterLevel() [L822] COND TRUE waterLevel > 0 [L823] waterLevel = waterLevel - 1 [L129] RET lowerWaterLevel() [L134] COND TRUE \read(systemActive) [L136] CALL processEnvironment() [L182] int tmp ; [L185] COND TRUE \read(pumpRunning) [L187] CALL, EXPR isMethaneAlarm() [L240] int retValue_acc ; [L244] CALL, EXPR isMethaneLevelCritical() [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); [L244] RET, EXPR isMethaneLevelCritical() [L244] retValue_acc = isMethaneLevelCritical() [L246] return (retValue_acc); [L187] RET, EXPR isMethaneAlarm() [L187] tmp = isMethaneAlarm() [L189] COND FALSE !(\read(tmp)) [L195] CALL processEnvironment__wrappee__methaneQuery() [L156] int tmp ; [L159] COND FALSE !(! pumpRunning) [L174] FCALL processEnvironment__wrappee__base() [L195] RET processEnvironment__wrappee__methaneQuery() [L136] RET processEnvironment() [L142] CALL __utac_acc__Specification4_spec__1() [L692] int tmp ; [L693] int tmp___0 ; [L697] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); [L697] RET, EXPR getWaterLevel() [L697] tmp = getWaterLevel() [L699] COND TRUE tmp == 0 [L701] CALL, EXPR isPumpRunning() [L251] int retValue_acc ; [L254] retValue_acc = pumpRunning [L255] return (retValue_acc); [L701] RET, EXPR isPumpRunning() [L701] tmp___0 = isPumpRunning() [L703] COND TRUE \read(tmp___0) [L705] CALL __automaton_fail() [L319] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product45.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 244 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 100.8s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 65.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1049 SDtfs, 3444 SDslu, 2128 SDs, 0 SdLazy, 10402 SolverSat, 2815 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 281 SyntacticMatches, 2 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1883 ImplicationChecksByTransitivity, 33.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=913occurred in iteration=6, 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, 7 MinimizatonAttempts, 810 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 33.3s InterpolantComputationTime, 978 NumberOfCodeBlocks, 978 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 770 ConstructedInterpolants, 0 QuantifiedInterpolants, 342794 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 163/178 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...