/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:56:01,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:56:01,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:56:01,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:56:01,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:56:01,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:56:01,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:56:01,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:56:01,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:56:01,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:56:01,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:56:01,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:56:01,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:56:01,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:56:01,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:56:01,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:56:01,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:56:02,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:56:02,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:56:02,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:56:02,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:56:02,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:56:02,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:56:02,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:56:02,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:56:02,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:56:02,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:56:02,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:56:02,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:56:02,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:56:02,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:56:02,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:56:02,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:56:02,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:56:02,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:56:02,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:56:02,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:56:02,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:56:02,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:56:02,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:56:02,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:56:02,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:56:02,106 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:56:02,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:56:02,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:56:02,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:56:02,113 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:56:02,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:56:02,114 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:56:02,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:56:02,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:56:02,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:56:02,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:56:02,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:56:02,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:56:02,117 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:56:02,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:56:02,117 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:56:02,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:56:02,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:56:02,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:56:02,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:56:02,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:56:02,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:56:02,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:56:02,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:56:02,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:56:02,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:56:02,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:56:02,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:56:02,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:56:02,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:56:02,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:56:02,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:56:02,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:56:02,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:56:02,537 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:56:02,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-10-28 16:56:02,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2597a437a/1370a6e0df624876bed79755f881fcd6/FLAG5f437c0e9 [2020-10-28 16:56:03,293 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:56:03,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-10-28 16:56:03,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2597a437a/1370a6e0df624876bed79755f881fcd6/FLAG5f437c0e9 [2020-10-28 16:56:03,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2597a437a/1370a6e0df624876bed79755f881fcd6 [2020-10-28 16:56:03,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:56:03,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:56:03,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:56:03,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:56:03,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:56:03,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:56:03" (1/1) ... [2020-10-28 16:56:03,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1661cff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:03, skipping insertion in model container [2020-10-28 16:56:03,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:56:03" (1/1) ... [2020-10-28 16:56:03,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:56:03,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:56:04,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:56:04,095 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:56:04,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:56:04,328 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:56:04,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04 WrapperNode [2020-10-28 16:56:04,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:56:04,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:56:04,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:56:04,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:56:04,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04" (1/1) ... [2020-10-28 16:56:04,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04" (1/1) ... [2020-10-28 16:56:04,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04" (1/1) ... [2020-10-28 16:56:04,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04" (1/1) ... [2020-10-28 16:56:04,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04" (1/1) ... [2020-10-28 16:56:04,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04" (1/1) ... [2020-10-28 16:56:04,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04" (1/1) ... [2020-10-28 16:56:04,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:56:04,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:56:04,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:56:04,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:56:04,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04" (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 [2020-10-28 16:56:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:56:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:56:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:56:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:56:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:56:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:56:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:56:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:56:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:56:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:56:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:56:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:56:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 16:56:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-28 16:56:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:56:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:56:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:56:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:56:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:56:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:56:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 16:56:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:56:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:56:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:56:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:56:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:56:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:56:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:56:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 16:56:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:56:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-28 16:56:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:56:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:56:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:56:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:56:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:56:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:56:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:56:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:56:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:56:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:56:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:56:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:56:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:56:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:56:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:56:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:56:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:56:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:56:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:56:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:56:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:56:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:56:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:56:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:56:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:56:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:56:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:56:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:56:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:56:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:56:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 16:56:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:56:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:56:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:56:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:56:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:56:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-28 16:56:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:56:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:56:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 16:56:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 16:56:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:56:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-28 16:56:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:56:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:56:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:56:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:56:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:56:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:56:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:56:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:56:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:56:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:56:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:56:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:56:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:56:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:56:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:56:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:56:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:56:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:56:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:56:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:56:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:56:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:56:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:56:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:56:06,143 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:56:06,143 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:56:06,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:56:06 BoogieIcfgContainer [2020-10-28 16:56:06,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:56:06,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:56:06,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:56:06,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:56:06,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:56:03" (1/3) ... [2020-10-28 16:56:06,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea9e871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:56:06, skipping insertion in model container [2020-10-28 16:56:06,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:56:04" (2/3) ... [2020-10-28 16:56:06,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea9e871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:56:06, skipping insertion in model container [2020-10-28 16:56:06,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:56:06" (3/3) ... [2020-10-28 16:56:06,159 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2020-10-28 16:56:06,172 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:56:06,178 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:56:06,192 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:56:06,222 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:56:06,222 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:56:06,222 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:56:06,223 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:56:06,223 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:56:06,223 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:56:06,223 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:56:06,223 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:56:06,248 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-10-28 16:56:06,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:56:06,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:56:06,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:56:06,262 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:56:06,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:56:06,269 INFO L82 PathProgramCache]: Analyzing trace with hash -200484745, now seen corresponding path program 1 times [2020-10-28 16:56:06,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:56:06,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1394456150] [2020-10-28 16:56:06,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:56:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:06,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:06,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:09,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:09,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:56:09,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:56:09,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3368 [2020-10-28 16:56:09,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:09,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:09,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:56:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-28 16:56:10,526 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:10,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-28 16:56:10,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:10,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:10,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:10,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:10,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:10,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:10,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:10,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:10,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:10,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:56:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:10,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:10,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:56:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:56:10,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:56:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:10,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:10,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:10,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:10,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:10,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:56:10,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:10,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:10,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:56:10,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1394456150] [2020-10-28 16:56:10,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:56:10,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:56:10,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158061145] [2020-10-28 16:56:10,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:56:10,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:10,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:56:10,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:56:10,793 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 3 states. [2020-10-28 16:56:12,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:56:12,540 INFO L93 Difference]: Finished difference Result 346 states and 451 transitions. [2020-10-28 16:56:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:56:12,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-28 16:56:12,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:56:12,557 INFO L225 Difference]: With dead ends: 346 [2020-10-28 16:56:12,557 INFO L226 Difference]: Without dead ends: 184 [2020-10-28 16:56:12,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:56:12,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-28 16:56:12,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 150. [2020-10-28 16:56:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-28 16:56:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 178 transitions. [2020-10-28 16:56:12,687 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 178 transitions. Word has length 53 [2020-10-28 16:56:12,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:56:12,688 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 178 transitions. [2020-10-28 16:56:12,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:56:12,688 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 178 transitions. [2020-10-28 16:56:12,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 16:56:12,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:56:12,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:56:12,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:56:12,696 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:56:12,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:56:12,697 INFO L82 PathProgramCache]: Analyzing trace with hash 111240957, now seen corresponding path program 1 times [2020-10-28 16:56:12,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:56:12,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50319364] [2020-10-28 16:56:12,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:56:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:12,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:12,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:12,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:15,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:15,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 16:56:15,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:56:15,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2266 [2020-10-28 16:56:15,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:15,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 16:56:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:15,470 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:15,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:15,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:15,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:15,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:15,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 16:56:15,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:15,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:15,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:56:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:56:15,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:15,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:15,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:15,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:15,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:15,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:56:15,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:15,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:56:15,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:15,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:15,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:15,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:15,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:15,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:15,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:56:15,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:15,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:56:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:15,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:15,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:15,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:15,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:15,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:15,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:56:15,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:15,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:15,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:15,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:15,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:15,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:15,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:15,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:15,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:15,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:15,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:15,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:15,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:15,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:56:15,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:15,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:56:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:15,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:15,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:15,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:15,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:15,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:56:15,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:15,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:15,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:15,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:56:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:15,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:15,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:15,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:15,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:15,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:15,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:15,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:15,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:15,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:15,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:15,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:15,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 16:56:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:15,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:15,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:15,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:15,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:15,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:15,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:15,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:15,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:15,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:15,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:15,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:56:15,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50319364] [2020-10-28 16:56:15,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:56:15,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:56:15,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565402632] [2020-10-28 16:56:15,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:56:15,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:15,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:56:15,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:56:15,696 INFO L87 Difference]: Start difference. First operand 150 states and 178 transitions. Second operand 4 states. [2020-10-28 16:56:16,184 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:56:17,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:56:17,621 INFO L93 Difference]: Finished difference Result 310 states and 391 transitions. [2020-10-28 16:56:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:56:17,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-28 16:56:17,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:56:17,627 INFO L225 Difference]: With dead ends: 310 [2020-10-28 16:56:17,628 INFO L226 Difference]: Without dead ends: 184 [2020-10-28 16:56:17,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:56:17,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-28 16:56:17,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 150. [2020-10-28 16:56:17,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-28 16:56:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-10-28 16:56:17,746 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 54 [2020-10-28 16:56:17,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:56:17,746 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-10-28 16:56:17,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:56:17,747 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-10-28 16:56:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-28 16:56:17,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:56:17,757 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] [2020-10-28 16:56:17,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:56:17,758 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:56:17,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:56:17,758 INFO L82 PathProgramCache]: Analyzing trace with hash 171257893, now seen corresponding path program 1 times [2020-10-28 16:56:17,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:56:17,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [629448019] [2020-10-28 16:56:17,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:56:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:17,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:18,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:18,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:19,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:22,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:22,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 16:56:22,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:56:22,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 16:56:22,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:22,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:56:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 16:56:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:56:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,226 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:23,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:23,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 16:56:23,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:23,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:23,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:23,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:23,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:23,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:23,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:23,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:23,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:23,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:23,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:23,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:23,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:23,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:23,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:23,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:23,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:23,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:56:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:56:23,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:56:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 16:56:23,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:56:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 16:56:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:56:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 16:56:23,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:56:23,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 16:56:23,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:56:23,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:56:23,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 16:56:23,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:56:23,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:56:23,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:56:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:56:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:56:23,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:23,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:23,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:23,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:23,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:56:23,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 16:56:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:23,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:23,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:23,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:23,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:23,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 16:56:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:23,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:23,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:23,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 16:56:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:23,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:23,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:23,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:23,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:23,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:23,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:23,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:23,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:23,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:23,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:23,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:56:23,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [629448019] [2020-10-28 16:56:23,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:56:23,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:56:23,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308084900] [2020-10-28 16:56:23,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:56:23,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:23,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:56:23,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:56:23,439 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 6 states. [2020-10-28 16:56:23,987 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:56:25,586 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:56:27,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:56:27,499 INFO L93 Difference]: Finished difference Result 455 states and 595 transitions. [2020-10-28 16:56:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:56:27,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-10-28 16:56:27,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:56:27,505 INFO L225 Difference]: With dead ends: 455 [2020-10-28 16:56:27,505 INFO L226 Difference]: Without dead ends: 329 [2020-10-28 16:56:27,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:56:27,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-28 16:56:27,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 262. [2020-10-28 16:56:27,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-28 16:56:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 311 transitions. [2020-10-28 16:56:27,598 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 311 transitions. Word has length 76 [2020-10-28 16:56:27,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:56:27,598 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 311 transitions. [2020-10-28 16:56:27,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:56:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 311 transitions. [2020-10-28 16:56:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 16:56:27,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:56:27,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:56:27,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:56:27,601 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:56:27,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:56:27,602 INFO L82 PathProgramCache]: Analyzing trace with hash -2057469773, now seen corresponding path program 1 times [2020-10-28 16:56:27,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:56:27,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448798337] [2020-10-28 16:56:27,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:56:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:27,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:27,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:28,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:28,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 16:56:28,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:56:28,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1261 [2020-10-28 16:56:28,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:28,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:56:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 16:56:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 16:56:28,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,291 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:29,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:29,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:56:29,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:29,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:29,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:29,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:29,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:29,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:29,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:29,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:29,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:29,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:29,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:29,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:56:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 16:56:29,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:56:29,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:29,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:56:29,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 16:56:29,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 16:56:29,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:29,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 16:56:29,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:56:29,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:56:29,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:29,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:56:29,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:56:29,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:56:29,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:56:29,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:56:29,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:56:29,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:56:29,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:56:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:29,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:29,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:29,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:56:29,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 16:56:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:29,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:29,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 16:56:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:29,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:56:29,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:56:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:29,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 16:56:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:29,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:29,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:29,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:29,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:29,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:29,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:29,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:29,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:56:29,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448798337] [2020-10-28 16:56:29,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:56:29,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:56:29,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249475988] [2020-10-28 16:56:29,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:56:29,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:29,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:56:29,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:56:29,563 INFO L87 Difference]: Start difference. First operand 262 states and 311 transitions. Second operand 8 states. [2020-10-28 16:56:30,199 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:56:32,074 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:32,572 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:33,005 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:33,569 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:56:36,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:56:36,051 INFO L93 Difference]: Finished difference Result 786 states and 1078 transitions. [2020-10-28 16:56:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:56:36,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-10-28 16:56:36,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:56:36,059 INFO L225 Difference]: With dead ends: 786 [2020-10-28 16:56:36,059 INFO L226 Difference]: Without dead ends: 509 [2020-10-28 16:56:36,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-28 16:56:36,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-10-28 16:56:36,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 460. [2020-10-28 16:56:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-28 16:56:36,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 554 transitions. [2020-10-28 16:56:36,191 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 554 transitions. Word has length 90 [2020-10-28 16:56:36,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:56:36,191 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 554 transitions. [2020-10-28 16:56:36,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:56:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 554 transitions. [2020-10-28 16:56:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 16:56:36,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:56:36,194 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] [2020-10-28 16:56:36,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:56:36,195 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:56:36,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:56:36,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1771850836, now seen corresponding path program 1 times [2020-10-28 16:56:36,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:56:36,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755279795] [2020-10-28 16:56:36,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:56:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:36,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:36,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:36,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 16:56:36,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:36,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-28 16:56:36,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:36,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:56:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-28 16:56:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:36,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:36,992 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:36,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:37,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 16:56:37,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:37,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:37,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:37,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:37,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:37,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:37,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:37,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:37,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:56:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:37,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:37,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:56:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 16:56:37,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 16:56:37,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:56:37,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 16:56:37,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:37,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 16:56:37,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 16:56:37,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:56:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:56:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:37,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:56:37,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 16:56:37,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:56:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 16:56:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:37,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:56:37,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:56:37,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:56:37,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:56:37,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:37,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:56:37,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 16:56:37,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:56:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:56:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:37,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:37,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 16:56:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 16:56:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:37,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:37,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:37,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 16:56:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:37,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:37,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 16:56:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:37,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:37,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:37,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:37,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:37,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:56:37,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:37,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:37,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:37,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:56:37,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755279795] [2020-10-28 16:56:37,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:56:37,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:56:37,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709345732] [2020-10-28 16:56:37,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:56:37,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:37,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:56:37,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:56:37,321 INFO L87 Difference]: Start difference. First operand 460 states and 554 transitions. Second operand 8 states. [2020-10-28 16:56:38,565 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:56:38,939 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:39,337 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:41,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:56:41,212 INFO L93 Difference]: Finished difference Result 991 states and 1272 transitions. [2020-10-28 16:56:41,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:56:41,213 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-28 16:56:41,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:56:41,221 INFO L225 Difference]: With dead ends: 991 [2020-10-28 16:56:41,221 INFO L226 Difference]: Without dead ends: 555 [2020-10-28 16:56:41,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:56:41,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-10-28 16:56:41,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 463. [2020-10-28 16:56:41,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-10-28 16:56:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 557 transitions. [2020-10-28 16:56:41,349 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 557 transitions. Word has length 94 [2020-10-28 16:56:41,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:56:41,350 INFO L481 AbstractCegarLoop]: Abstraction has 463 states and 557 transitions. [2020-10-28 16:56:41,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:56:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 557 transitions. [2020-10-28 16:56:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 16:56:41,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:56:41,352 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] [2020-10-28 16:56:41,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:56:41,367 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:56:41,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:56:41,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1493757162, now seen corresponding path program 1 times [2020-10-28 16:56:41,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:56:41,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76933908] [2020-10-28 16:56:41,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:56:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:41,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:41,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:41,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 16:56:41,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:41,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-28 16:56:41,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:41,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:56:41,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-28 16:56:41,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:56:41,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,133 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:42,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:42,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 16:56:42,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:42,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:42,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:42,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:42,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:42,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:42,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:42,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:42,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:42,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:42,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:42,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:56:42,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:42,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:56:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:42,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:42,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:56:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 16:56:42,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 16:56:42,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:56:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 16:56:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:56:42,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 16:56:42,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:56:42,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:56:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 16:56:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:56:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:56:42,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 16:56:42,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:56:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 16:56:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:56:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:42,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:56:42,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 16:56:42,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:56:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:56:42,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:56:42,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:42,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:42,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:56:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:42,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:42,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 16:56:42,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:42,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 16:56:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:42,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:42,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:42,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 16:56:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:42,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:42,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:42,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 16:56:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:42,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:42,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:42,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:42,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:42,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:42,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:42,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:42,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:56:42,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76933908] [2020-10-28 16:56:42,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:56:42,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 16:56:42,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765653738] [2020-10-28 16:56:42,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 16:56:42,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:42,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 16:56:42,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 16:56:42,469 INFO L87 Difference]: Start difference. First operand 463 states and 557 transitions. Second operand 9 states. [2020-10-28 16:56:43,769 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:56:44,139 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:56:44,540 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:56:44,909 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:56:46,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:56:46,374 INFO L93 Difference]: Finished difference Result 970 states and 1237 transitions. [2020-10-28 16:56:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:56:46,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-10-28 16:56:46,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:56:46,379 INFO L225 Difference]: With dead ends: 970 [2020-10-28 16:56:46,379 INFO L226 Difference]: Without dead ends: 531 [2020-10-28 16:56:46,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:56:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-10-28 16:56:46,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 456. [2020-10-28 16:56:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-10-28 16:56:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 544 transitions. [2020-10-28 16:56:46,498 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 544 transitions. Word has length 94 [2020-10-28 16:56:46,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:56:46,498 INFO L481 AbstractCegarLoop]: Abstraction has 456 states and 544 transitions. [2020-10-28 16:56:46,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 16:56:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 544 transitions. [2020-10-28 16:56:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 16:56:46,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:56:46,500 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] [2020-10-28 16:56:46,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:56:46,501 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:56:46,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:56:46,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1550268894, now seen corresponding path program 1 times [2020-10-28 16:56:46,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:56:46,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538701792] [2020-10-28 16:56:46,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:56:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:46,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:46,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:46,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 16:56:46,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:46,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-28 16:56:46,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:46,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:56:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-28 16:56:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 16:56:46,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,307 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:47,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:47,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 16:56:47,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:47,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:47,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:47,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:47,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:47,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:47,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:47,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:47,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:47,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:47,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:47,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:56:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:47,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:47,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:47,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:47,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:56:47,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:56:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 16:56:47,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 16:56:47,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:47,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 16:56:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:56:47,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 16:56:47,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 16:56:47,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:56:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:56:47,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 16:56:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:56:47,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:56:47,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:47,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:47,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:56:47,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:47,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:47,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:47,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:56:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:47,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:47,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:47,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:56:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 16:56:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:47,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:47,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:47,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:47,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 16:56:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:47,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:47,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:47,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:56:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:47,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:47,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:47,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:47,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:47,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:56:47,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:47,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:56:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:47,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:56:47,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538701792] [2020-10-28 16:56:47,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:56:47,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 16:56:47,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943649716] [2020-10-28 16:56:47,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 16:56:47,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:47,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 16:56:47,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 16:56:47,591 INFO L87 Difference]: Start difference. First operand 456 states and 544 transitions. Second operand 9 states. [2020-10-28 16:56:49,209 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:56:50,093 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:50,637 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:51,088 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:56:52,131 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:56:53,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:56:53,130 INFO L93 Difference]: Finished difference Result 963 states and 1193 transitions. [2020-10-28 16:56:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:56:53,131 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2020-10-28 16:56:53,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:56:53,138 INFO L225 Difference]: With dead ends: 963 [2020-10-28 16:56:53,138 INFO L226 Difference]: Without dead ends: 531 [2020-10-28 16:56:53,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-10-28 16:56:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-10-28 16:56:53,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 449. [2020-10-28 16:56:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-10-28 16:56:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 524 transitions. [2020-10-28 16:56:53,265 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 524 transitions. Word has length 95 [2020-10-28 16:56:53,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:56:53,266 INFO L481 AbstractCegarLoop]: Abstraction has 449 states and 524 transitions. [2020-10-28 16:56:53,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 16:56:53,266 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 524 transitions. [2020-10-28 16:56:53,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 16:56:53,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:56:53,271 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:56:53,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 16:56:53,272 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:56:53,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:56:53,272 INFO L82 PathProgramCache]: Analyzing trace with hash -2056103196, now seen corresponding path program 1 times [2020-10-28 16:56:53,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:56:53,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452287788] [2020-10-28 16:56:53,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:56:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:53,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:53,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:53,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:53,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:53,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:57,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-28 16:56:58,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:56:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 16:56:58,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:56:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 16:56:58,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,811 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:56:58,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:56:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:58,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 16:56:58,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:56:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:58,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:58,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:56:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:58,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:58,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:56:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:58,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:58,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:56:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:56:58,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:58,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:56:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:58,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:58,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:56:58,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:56:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 16:56:58,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 16:56:58,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:56:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 16:56:58,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 16:56:58,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:56:58,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:56:58,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:56:58,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:56:58,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:56:58,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:56:58,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:58,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:58,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:58,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:58,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:58,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:56:58,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:58,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:58,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:58,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:58,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:58,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:58,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:58,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:56:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:59,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:59,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:56:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 16:56:59,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:59,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:59,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:59,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:59,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 16:56:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:59,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:59,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 16:56:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 16:56:59,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:56:59,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 16:56:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:56:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:56:59,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:56:59,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:56:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:59,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:59,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:59,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 16:56:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:59,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:56:59,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:56:59,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:56:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:59,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 16:56:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:59,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:59,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 16:56:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:56:59,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:56:59,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:56:59,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:56:59,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:56:59,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:56:59,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:56:59,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:56:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:56:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:56:59,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:56:59,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:56:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-28 16:56:59,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452287788] [2020-10-28 16:56:59,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:56:59,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:56:59,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492290164] [2020-10-28 16:56:59,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:56:59,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:56:59,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:56:59,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:56:59,098 INFO L87 Difference]: Start difference. First operand 449 states and 524 transitions. Second operand 7 states. [2020-10-28 16:56:59,821 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:57:01,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:57:01,428 INFO L93 Difference]: Finished difference Result 822 states and 963 transitions. [2020-10-28 16:57:01,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:57:01,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-10-28 16:57:01,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:57:01,435 INFO L225 Difference]: With dead ends: 822 [2020-10-28 16:57:01,435 INFO L226 Difference]: Without dead ends: 498 [2020-10-28 16:57:01,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:57:01,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-28 16:57:01,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 431. [2020-10-28 16:57:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-10-28 16:57:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 498 transitions. [2020-10-28 16:57:01,537 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 498 transitions. Word has length 138 [2020-10-28 16:57:01,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:57:01,537 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 498 transitions. [2020-10-28 16:57:01,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:57:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 498 transitions. [2020-10-28 16:57:01,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-28 16:57:01,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:57:01,541 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-28 16:57:01,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 16:57:01,541 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:57:01,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:57:01,542 INFO L82 PathProgramCache]: Analyzing trace with hash -492513480, now seen corresponding path program 1 times [2020-10-28 16:57:01,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:57:01,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363075985] [2020-10-28 16:57:01,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:57:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:01,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:01,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:01,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:04,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:06,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:06,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 16:57:06,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:57:06,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:57:06,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:06,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 16:57:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:57:06,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-28 16:57:06,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:06,969 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:57:06,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:57:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 16:57:07,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:57:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:57:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:57:07,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:07,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:57:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:57:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:57:07,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:07,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:57:07,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:57:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:07,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:57:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:57:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:57:07,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:57:07,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:57:07,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:57:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:07,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:07,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:57:07,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:57:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 16:57:07,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:57:07,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:57:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 16:57:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 16:57:07,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 16:57:07,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:57:07,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:57:07,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:57:07,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:57:07,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:57:07,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:57:07,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:57:07,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:57:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:57:07,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:07,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:57:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:07,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:57:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 16:57:07,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:57:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:57:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 16:57:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:57:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:07,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:57:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:57:07,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 16:57:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:07,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:57:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 16:57:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 16:57:07,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:57:07,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 16:57:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:57:07,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:57:07,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:57:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:07,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 16:57:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:07,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 16:57:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:07,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:57:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:57:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:07,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:57:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:57:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:07,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:07,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:07,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:07,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:07,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:07,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:57:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 16:57:07,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363075985] [2020-10-28 16:57:07,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:57:07,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 16:57:07,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603992416] [2020-10-28 16:57:07,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:57:07,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:57:07,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:57:07,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:57:07,381 INFO L87 Difference]: Start difference. First operand 431 states and 498 transitions. Second operand 11 states. [2020-10-28 16:57:08,017 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:57:08,914 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:57:10,285 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:57:10,750 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:57:11,165 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:57:11,568 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:57:12,006 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:57:12,393 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:57:14,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:57:14,557 INFO L93 Difference]: Finished difference Result 1309 states and 1688 transitions. [2020-10-28 16:57:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 16:57:14,558 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-10-28 16:57:14,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:57:14,565 INFO L225 Difference]: With dead ends: 1309 [2020-10-28 16:57:14,565 INFO L226 Difference]: Without dead ends: 902 [2020-10-28 16:57:14,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-28 16:57:14,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-10-28 16:57:14,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 780. [2020-10-28 16:57:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2020-10-28 16:57:14,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 891 transitions. [2020-10-28 16:57:14,751 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 891 transitions. Word has length 142 [2020-10-28 16:57:14,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:57:14,752 INFO L481 AbstractCegarLoop]: Abstraction has 780 states and 891 transitions. [2020-10-28 16:57:14,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:57:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 891 transitions. [2020-10-28 16:57:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-28 16:57:14,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:57:14,756 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:57:14,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 16:57:14,756 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:57:14,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:57:14,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1078315528, now seen corresponding path program 1 times [2020-10-28 16:57:14,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:57:14,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747078785] [2020-10-28 16:57:14,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:57:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:14,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:14,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:15,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:17,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:17,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:19,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:19,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-28 16:57:19,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:57:19,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 16:57:19,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:19,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 16:57:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 16:57:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-28 16:57:19,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,203 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:57:20,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:57:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:57:20,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:57:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:57:20,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:20,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:57:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:57:20,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:20,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:57:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:20,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:57:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:57:20,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:20,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:57:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:57:20,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:20,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:57:20,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:57:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-28 16:57:20,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:57:20,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 16:57:20,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:57:20,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:57:20,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 16:57:20,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 16:57:20,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 16:57:20,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 16:57:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:57:20,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:57:20,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:57:20,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:57:20,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:57:20,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:57:20,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:57:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:57:20,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:20,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:57:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:20,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:57:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 16:57:20,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:57:20,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 16:57:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:57:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:20,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:57:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:20,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 16:57:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:57:20,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:57:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:57:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 16:57:20,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 16:57:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 16:57:20,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:57:20,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 16:57:20,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:57:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:57:20,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:20,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:57:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:20,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 16:57:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:57:20,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:57:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:20,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:57:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:57:20,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:57:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:57:20,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:57:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:57:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:57:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 16:57:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:57:20,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:57:20,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:57:20,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:57:20,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:57:20,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:57:20,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:57:20,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:57:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:57:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:57:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:57:20,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:57:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-28 16:57:20,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747078785] [2020-10-28 16:57:20,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:57:20,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 16:57:20,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083664836] [2020-10-28 16:57:20,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 16:57:20,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:57:20,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 16:57:20,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:57:20,632 INFO L87 Difference]: Start difference. First operand 780 states and 891 transitions. Second operand 12 states. [2020-10-28 16:57:21,292 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:57:22,123 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:57:23,534 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:57:23,995 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:57:24,429 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:57:24,887 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:57:25,514 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:57:27,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:57:27,672 INFO L93 Difference]: Finished difference Result 1778 states and 2204 transitions. [2020-10-28 16:57:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 16:57:27,673 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 148 [2020-10-28 16:57:27,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:57:27,674 INFO L225 Difference]: With dead ends: 1778 [2020-10-28 16:57:27,674 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:57:27,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-28 16:57:27,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:57:27,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:57:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:57:27,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:57:27,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2020-10-28 16:57:27,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:57:27,682 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:57:27,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 16:57:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:57:27,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:57:27,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 16:57:27,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:57:29,725 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 319 DAG size of output: 281 [2020-10-28 16:57:33,274 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 270 [2020-10-28 16:57:35,078 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 281 [2020-10-28 16:57:37,629 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 270 [2020-10-28 16:57:40,095 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-10-28 16:57:40,409 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:57:40,721 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-10-28 16:57:41,369 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-10-28 16:57:41,668 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-10-28 16:57:42,996 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 213 DAG size of output: 25 [2020-10-28 16:57:43,285 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-10-28 16:57:43,577 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-28 16:57:44,455 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-10-28 16:57:44,742 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:57:45,396 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-10-28 16:57:46,965 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 184 DAG size of output: 26 [2020-10-28 16:57:47,656 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-10-28 16:57:48,311 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-10-28 16:57:48,616 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:57:50,264 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 192 DAG size of output: 32 [2020-10-28 16:57:50,914 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-10-28 16:57:51,244 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:57:52,974 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 209 DAG size of output: 27 [2020-10-28 16:57:54,116 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 194 DAG size of output: 28 [2020-10-28 16:57:54,409 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-28 16:57:55,074 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-10-28 16:57:56,207 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 170 DAG size of output: 20 [2020-10-28 16:57:56,508 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-28 16:57:57,821 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 213 DAG size of output: 25 [2020-10-28 16:57:58,121 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-28 16:57:58,695 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 15 [2020-10-28 16:57:59,018 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:57:59,303 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-10-28 16:58:00,150 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-10-28 16:58:00,447 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:58:01,306 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-10-28 16:58:01,950 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-10-28 16:58:02,598 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 14 [2020-10-28 16:58:03,002 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-28 16:58:03,906 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-10-28 16:58:04,202 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:58:04,488 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-10-28 16:58:05,132 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2020-10-28 16:58:05,741 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-10-28 16:58:06,026 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-10-28 16:58:06,318 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-10-28 16:58:06,598 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:58:06,883 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-10-28 16:58:07,496 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-10-28 16:58:07,802 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-28 16:58:09,517 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 209 DAG size of output: 27 [2020-10-28 16:58:11,512 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2020-10-28 16:58:12,702 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 171 DAG size of output: 25 [2020-10-28 16:58:13,297 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 13 [2020-10-28 16:58:13,595 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:58:14,138 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 14 [2020-10-28 16:58:14,683 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 14 [2020-10-28 16:58:15,631 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 25 [2020-10-28 16:58:15,637 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:58:15,637 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:58:15,637 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:58:15,637 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:58:15,637 INFO L274 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 627) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point L628(lines 605 629) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 581 636) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 581 636) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point L612-1(lines 612 616) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 581 636) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point L669-1(lines 669 673) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point L664(line 664) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 637 696) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point L663-2(lines 663 688) no Hoare annotation was computed. [2020-10-28 16:58:15,638 INFO L274 CegarLoopResult]: For program point L689(lines 662 690) no Hoare annotation was computed. [2020-10-28 16:58:15,639 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 637 696) no Hoare annotation was computed. [2020-10-28 16:58:15,639 INFO L274 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-10-28 16:58:15,639 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 637 696) no Hoare annotation was computed. [2020-10-28 16:58:15,639 INFO L274 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-10-28 16:58:15,639 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 72 78) the Hoare annotation is: true [2020-10-28 16:58:15,639 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 72 78) no Hoare annotation was computed. [2020-10-28 16:58:15,639 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 79 87) no Hoare annotation was computed. [2020-10-28 16:58:15,639 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 79 87) the Hoare annotation is: true [2020-10-28 16:58:15,639 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 79 87) no Hoare annotation was computed. [2020-10-28 16:58:15,640 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:15,640 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2020-10-28 16:58:15,640 INFO L270 CegarLoopResult]: At program point L979(line 979) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:15,640 INFO L270 CegarLoopResult]: At program point L979-1(line 979) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:15,640 INFO L274 CegarLoopResult]: For program point L977(lines 977 984) no Hoare annotation was computed. [2020-10-28 16:58:15,640 INFO L274 CegarLoopResult]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2020-10-28 16:58:15,640 INFO L274 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-10-28 16:58:15,640 INFO L270 CegarLoopResult]: At program point L974(line 974) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:15,641 INFO L270 CegarLoopResult]: At program point L973(line 973) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:15,641 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2020-10-28 16:58:15,641 INFO L270 CegarLoopResult]: At program point L973-1(line 973) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:15,641 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 926 949) no Hoare annotation was computed. [2020-10-28 16:58:15,641 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 926 949) no Hoare annotation was computed. [2020-10-28 16:58:15,641 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 926 949) no Hoare annotation was computed. [2020-10-28 16:58:15,641 INFO L274 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-10-28 16:58:15,641 INFO L274 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-10-28 16:58:15,641 INFO L274 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-10-28 16:58:15,642 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L277 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: true [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 384) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 371 389) the Hoare annotation is: true [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point L378-1(line 378) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 371 389) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 371 389) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 316 351) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-10-28 16:58:15,643 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 65 71) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 65 71) the Hoare annotation is: true [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 535 580) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 535 580) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 535 580) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 848 893) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point L879(lines 879 880) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 872 873) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 879 880) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 848 893) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point L872(lines 872 873) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 848 893) no Hoare annotation was computed. [2020-10-28 16:58:15,644 INFO L274 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-10-28 16:58:15,645 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:15,645 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2020-10-28 16:58:15,645 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2020-10-28 16:58:15,645 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 296 306) the Hoare annotation is: true [2020-10-28 16:58:15,645 INFO L277 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: true [2020-10-28 16:58:15,645 INFO L274 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-10-28 16:58:15,645 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2020-10-28 16:58:15,645 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 296 306) no Hoare annotation was computed. [2020-10-28 16:58:15,645 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 288 295) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= ~waterLevel~0 1))) [2020-10-28 16:58:15,645 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2020-10-28 16:58:15,645 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 288 295) no Hoare annotation was computed. [2020-10-28 16:58:15,645 INFO L274 CegarLoopResult]: For program point L475(lines 475 481) no Hoare annotation was computed. [2020-10-28 16:58:15,645 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 471 484) no Hoare annotation was computed. [2020-10-28 16:58:15,646 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 471 484) the Hoare annotation is: true [2020-10-28 16:58:15,646 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 471 484) no Hoare annotation was computed. [2020-10-28 16:58:15,646 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-10-28 16:58:15,646 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:58:15,646 INFO L270 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:58:15,646 INFO L274 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-10-28 16:58:15,646 INFO L270 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-28 16:58:15,646 INFO L270 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-28 16:58:15,646 INFO L274 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-10-28 16:58:15,646 INFO L270 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-28 16:58:15,646 INFO L274 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-10-28 16:58:15,646 INFO L274 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-10-28 16:58:15,646 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2020-10-28 16:58:15,647 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2020-10-28 16:58:15,647 INFO L270 CegarLoopResult]: At program point testENTRY(lines 93 156) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:58:15,647 INFO L274 CegarLoopResult]: For program point testFINAL(lines 93 156) no Hoare annotation was computed. [2020-10-28 16:58:15,647 INFO L270 CegarLoopResult]: At program point L149(lines 102 150) the Hoare annotation is: (or (<= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:58:15,647 INFO L274 CegarLoopResult]: For program point L139(lines 139 143) no Hoare annotation was computed. [2020-10-28 16:58:15,647 INFO L270 CegarLoopResult]: At program point L139-2(lines 133 144) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-28 16:58:15,647 INFO L274 CegarLoopResult]: For program point L104(lines 103 148) no Hoare annotation was computed. [2020-10-28 16:58:15,647 INFO L274 CegarLoopResult]: For program point L133(lines 133 144) no Hoare annotation was computed. [2020-10-28 16:58:15,647 INFO L270 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-28 16:58:15,647 INFO L274 CegarLoopResult]: For program point L123(lines 123 129) no Hoare annotation was computed. [2020-10-28 16:58:15,647 INFO L274 CegarLoopResult]: For program point L123-1(lines 123 129) no Hoare annotation was computed. [2020-10-28 16:58:15,647 INFO L270 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) (<= ~waterLevel~0 2)) (and (<= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-10-28 16:58:15,648 INFO L270 CegarLoopResult]: At program point L146(lines 103 148) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) (<= ~waterLevel~0 2)) (and (<= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point testEXIT(lines 93 156) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point L833(lines 833 834) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 826 827) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 833 834) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point L826(lines 826 827) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 802 847) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point L822(lines 822 829) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 802 847) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 802 847) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point L816(lines 816 836) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point L816-1(lines 816 836) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 485 493) no Hoare annotation was computed. [2020-10-28 16:58:15,648 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 485 493) the Hoare annotation is: true [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 485 493) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point L447(lines 447 455) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point L447-2(lines 447 455) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 439 461) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 439 461) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 439 461) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 55 64) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 55 64) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 55 64) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 699 801) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point L723(lines 723 727) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point L787(lines 787 798) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-10-28 16:58:15,649 INFO L274 CegarLoopResult]: For program point L748-2(lines 748 768) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 699 801) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point L769(lines 747 770) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point L728(lines 728 744) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 699 801) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point L749(lines 748 768) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point L745(lines 745 786) no Hoare annotation was computed. [2020-10-28 16:58:15,650 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:58:15,651 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-10-28 16:58:15,651 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:58:15,651 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-10-28 16:58:15,651 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-10-28 16:58:15,651 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:58:15,651 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2020-10-28 16:58:15,651 INFO L274 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-10-28 16:58:15,651 INFO L277 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-10-28 16:58:15,651 INFO L274 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2020-10-28 16:58:15,652 INFO L274 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-10-28 16:58:15,652 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2020-10-28 16:58:15,652 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2020-10-28 16:58:15,652 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 462 470) the Hoare annotation is: true [2020-10-28 16:58:15,652 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 462 470) no Hoare annotation was computed. [2020-10-28 16:58:15,652 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 462 470) no Hoare annotation was computed. [2020-10-28 16:58:15,652 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 418 429) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2))) [2020-10-28 16:58:15,652 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 418 429) no Hoare annotation was computed. [2020-10-28 16:58:15,652 INFO L274 CegarLoopResult]: For program point L422-1(lines 418 429) no Hoare annotation was computed. [2020-10-28 16:58:15,652 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:58:15,652 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:58:15,653 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:58:15,653 INFO L270 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1) (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3) .cse4) (or (and .cse3 .cse1) .cse0 .cse4 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 (and .cse2 .cse1)))) [2020-10-28 16:58:15,653 INFO L270 CegarLoopResult]: At program point L182(lines 182 188) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (<= 1 |old(~pumpRunning~0)|))) .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 .cse0) .cse2 (not (= |old(~pumpRunning~0)| 0)) (and .cse6 (= ~pumpRunning~0 1))) (or .cse5 .cse1 .cse2) (let ((.cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or .cse4 (and .cse7 .cse3) (and .cse7 .cse0) (not (= |old(~pumpRunning~0)| 1)) (and .cse5 .cse6) .cse2)))) [2020-10-28 16:58:15,653 INFO L270 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse2) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:58:15,653 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse2))) [2020-10-28 16:58:15,653 INFO L274 CegarLoopResult]: For program point L175(lines 174 193) no Hoare annotation was computed. [2020-10-28 16:58:15,654 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2020-10-28 16:58:15,654 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2020-10-28 16:58:15,654 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2020-10-28 16:58:15,654 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:15,654 INFO L277 CegarLoopResult]: At program point L921(lines 896 925) the Hoare annotation is: true [2020-10-28 16:58:15,654 INFO L274 CegarLoopResult]: For program point L917(line 917) no Hoare annotation was computed. [2020-10-28 16:58:15,654 INFO L274 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-10-28 16:58:15,654 INFO L270 CegarLoopResult]: At program point L910-1(lines 910 914) the Hoare annotation is: (or (<= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:15,654 INFO L274 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-10-28 16:58:15,654 INFO L270 CegarLoopResult]: At program point L906-2(lines 906 920) the Hoare annotation is: (or (<= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:15,654 INFO L270 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:15,654 INFO L274 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-10-28 16:58:15,655 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 430 438) the Hoare annotation is: true [2020-10-28 16:58:15,655 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 430 438) no Hoare annotation was computed. [2020-10-28 16:58:15,655 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 430 438) no Hoare annotation was computed. [2020-10-28 16:58:15,655 INFO L270 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~pumpRunning~0 1))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~6) .cse0 .cse3 .cse1) (or (not (= ~pumpRunning~0 0)) .cse1 .cse2) (or .cse0 .cse3 (= ~methaneLevelCritical~0 0) .cse1))) [2020-10-28 16:58:15,655 INFO L274 CegarLoopResult]: For program point L512-1(line 512) no Hoare annotation was computed. [2020-10-28 16:58:15,655 INFO L274 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-10-28 16:58:15,655 INFO L274 CegarLoopResult]: For program point L510-1(lines 495 527) no Hoare annotation was computed. [2020-10-28 16:58:15,655 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 495 527) no Hoare annotation was computed. [2020-10-28 16:58:15,655 INFO L270 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~6)) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or .cse1 .cse2 .cse6 .cse3) (or .cse4 .cse6 .cse3 .cse5))) [2020-10-28 16:58:15,655 INFO L274 CegarLoopResult]: For program point L508-1(line 508) no Hoare annotation was computed. [2020-10-28 16:58:15,656 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 495 527) the Hoare annotation is: true [2020-10-28 16:58:15,656 INFO L274 CegarLoopResult]: For program point L504(lines 504 524) no Hoare annotation was computed. [2020-10-28 16:58:15,656 INFO L277 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: true [2020-10-28 16:58:15,656 INFO L274 CegarLoopResult]: For program point L502-1(line 502) no Hoare annotation was computed. [2020-10-28 16:58:15,656 INFO L270 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (= ~pumpRunning~0 1)) (not (<= ~waterLevel~0 2)) .cse0))) [2020-10-28 16:58:15,656 INFO L274 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-10-28 16:58:15,656 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 394 405) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (= ~pumpRunning~0 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-10-28 16:58:15,656 INFO L274 CegarLoopResult]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2020-10-28 16:58:15,656 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 394 405) no Hoare annotation was computed. [2020-10-28 16:58:15,656 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2020-10-28 16:58:15,657 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2020-10-28 16:58:15,657 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:58:15,657 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-28 16:58:15,657 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:58:15,657 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:58:15,657 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 203 227) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:58:15,657 INFO L270 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-28 16:58:15,657 INFO L274 CegarLoopResult]: For program point L222-1(lines 203 227) no Hoare annotation was computed. [2020-10-28 16:58:15,657 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 203 227) no Hoare annotation was computed. [2020-10-28 16:58:15,658 INFO L270 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (not .cse1)) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2020-10-28 16:58:15,658 INFO L270 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~1) .cse2) (and .cse1 .cse2))))) [2020-10-28 16:58:15,658 INFO L274 CegarLoopResult]: For program point L211(lines 211 219) no Hoare annotation was computed. [2020-10-28 16:58:15,658 INFO L270 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:58:15,658 INFO L274 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-10-28 16:58:15,658 INFO L274 CegarLoopResult]: For program point L207(lines 207 224) no Hoare annotation was computed. [2020-10-28 16:58:15,658 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 406 417) no Hoare annotation was computed. [2020-10-28 16:58:15,658 INFO L274 CegarLoopResult]: For program point L410-1(lines 406 417) no Hoare annotation was computed. [2020-10-28 16:58:15,658 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 406 417) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~pumpRunning~0 0)) (not (<= |old(~waterLevel~0)| 1)) .cse1) (or (not (<= |old(~waterLevel~0)| 2)) (not (= ~pumpRunning~0 1)) .cse0 .cse1))) [2020-10-28 16:58:15,659 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2020-10-28 16:58:15,659 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-28 16:58:15,659 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2020-10-28 16:58:15,659 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2020-10-28 16:58:15,659 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 229 253) no Hoare annotation was computed. [2020-10-28 16:58:15,659 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 229 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:58:15,659 INFO L270 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-28 16:58:15,659 INFO L274 CegarLoopResult]: For program point L248-1(lines 229 253) no Hoare annotation was computed. [2020-10-28 16:58:15,659 INFO L270 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-28 16:58:15,659 INFO L270 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-28 16:58:15,660 INFO L274 CegarLoopResult]: For program point L237(lines 237 245) no Hoare annotation was computed. [2020-10-28 16:58:15,660 INFO L270 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-28 16:58:15,660 INFO L274 CegarLoopResult]: For program point L235-1(line 235) no Hoare annotation was computed. [2020-10-28 16:58:15,660 INFO L274 CegarLoopResult]: For program point L233(lines 233 250) no Hoare annotation was computed. [2020-10-28 16:58:15,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:58:15 BoogieIcfgContainer [2020-10-28 16:58:15,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:58:15,681 INFO L168 Benchmark]: Toolchain (without parser) took 132074.18 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 125.2 MB in the beginning and 458.3 MB in the end (delta: -333.1 MB). Peak memory consumption was 409.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:15,681 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 125.8 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:58:15,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.31 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 102.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:15,682 INFO L168 Benchmark]: Boogie Preprocessor took 176.41 ms. Allocated memory is still 151.0 MB. Free memory was 102.5 MB in the beginning and 98.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:15,683 INFO L168 Benchmark]: RCFGBuilder took 1637.10 ms. Allocated memory is still 151.0 MB. Free memory was 98.4 MB in the beginning and 70.7 MB in the end (delta: 27.7 MB). Peak memory consumption was 34.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:15,684 INFO L168 Benchmark]: TraceAbstraction took 129531.17 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 70.1 MB in the beginning and 458.3 MB in the end (delta: -388.1 MB). Peak memory consumption was 353.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:58:15,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 125.8 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 711.31 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 102.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 176.41 ms. Allocated memory is still 151.0 MB. Free memory was 102.5 MB in the beginning and 98.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1637.10 ms. Allocated memory is still 151.0 MB. Free memory was 98.4 MB in the beginning and 70.7 MB in the end (delta: 27.7 MB). Peak memory consumption was 34.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 129531.17 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 70.1 MB in the beginning and 458.3 MB in the end (delta: -388.1 MB). Peak memory consumption was 353.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 833]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 826]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 879]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (((waterLevel <= 1 || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (waterLevel <= 1 || !(\old(waterLevel) <= 1)) || !(1 == systemActive) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((splverifierCounter <= 0 && pumpRunning == 1) && waterLevel <= 2) || ((waterLevel <= 1 && splverifierCounter <= 0) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 260 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 44.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 47.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1602 SDtfs, 3187 SDslu, 1746 SDs, 0 SdLazy, 7488 SolverSat, 2051 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 344 SyntacticMatches, 5 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=780occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 622 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2200 PreInvPairs, 2678 NumberOfFragments, 1696 HoareAnnotationTreeSize, 2200 FomulaSimplifications, 315257527 FormulaSimplificationTreeSizeReduction, 11.4s HoareSimplificationTime, 68 FomulaSimplificationsInter, 36204139 FormulaSimplificationTreeSizeReductionInter, 36.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 35.0s InterpolantComputationTime, 984 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 355056 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 81/89 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...