/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_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:09:20,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:09:20,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:09:20,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:09:20,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:09:20,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:09:20,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:09:20,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:09:20,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:09:20,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:09:20,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:09:20,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:09:20,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:09:20,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:09:20,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:09:20,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:09:20,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:09:20,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:09:20,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:09:20,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:09:20,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:09:20,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:09:20,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:09:20,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:09:20,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:09:20,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:09:20,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:09:20,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:09:20,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:09:20,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:09:20,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:09:20,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:09:20,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:09:20,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:09:20,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:09:20,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:09:20,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:09:20,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:09:20,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:09:20,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:09:20,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:09:20,663 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:09:20,714 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:09:20,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:09:20,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:09:20,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:09:20,720 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:09:20,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:09:20,721 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:09:20,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:09:20,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:09:20,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:09:20,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:09:20,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:09:20,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:09:20,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:09:20,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:09:20,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:09:20,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:09:20,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:09:20,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:09:20,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:09:20,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:09:20,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:09:20,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:09:20,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:09:20,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:09:20,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:09:20,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:09:20,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:09:20,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:09:20,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:09:21,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:09:21,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:09:21,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:09:21,178 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:09:21,179 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:09:21,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-10-28 17:09:21,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58e6dee19/9bd569cee0ff4e05adabf002a543628e/FLAG15a03d316 [2020-10-28 17:09:22,111 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:09:22,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-10-28 17:09:22,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58e6dee19/9bd569cee0ff4e05adabf002a543628e/FLAG15a03d316 [2020-10-28 17:09:22,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58e6dee19/9bd569cee0ff4e05adabf002a543628e [2020-10-28 17:09:22,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:09:22,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:09:22,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:09:22,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:09:22,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:09:22,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:09:22" (1/1) ... [2020-10-28 17:09:22,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa97317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:22, skipping insertion in model container [2020-10-28 17:09:22,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:09:22" (1/1) ... [2020-10-28 17:09:22,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:09:22,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:09:22,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:09:22,924 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:09:23,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:09:23,051 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:09:23,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23 WrapperNode [2020-10-28 17:09:23,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:09:23,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:09:23,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:09:23,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:09:23,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23" (1/1) ... [2020-10-28 17:09:23,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23" (1/1) ... [2020-10-28 17:09:23,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23" (1/1) ... [2020-10-28 17:09:23,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23" (1/1) ... [2020-10-28 17:09:23,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23" (1/1) ... [2020-10-28 17:09:23,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23" (1/1) ... [2020-10-28 17:09:23,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23" (1/1) ... [2020-10-28 17:09:23,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:09:23,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:09:23,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:09:23,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:09:23,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:09:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:09:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:09:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:09:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:09:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:09:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:09:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:09:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:09:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:09:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 17:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 17:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:09:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 17:09:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-28 17:09:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:09:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:09:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:09:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:09:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 17:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 17:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 17:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:09:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:09:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:09:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:09:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:09:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:09:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:09:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:09:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:09:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:09:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:09:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:09:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:09:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:09:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:09:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:09:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:09:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:09:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:09:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:09:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 17:09:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 17:09:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:09:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:09:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:09:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:09:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:09:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:09:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:09:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:09:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:09:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:09:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:09:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:09:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:09:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 17:09:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:09:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:09:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 17:09:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 17:09:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 17:09:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-28 17:09:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:09:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:09:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:09:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:09:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:09:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:09:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:09:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:09:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:09:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:09:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:09:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:09:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:09:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:09:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:09:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:09:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:09:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:09:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:09:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:09:24,646 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:09:24,647 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:09:24,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:09:24 BoogieIcfgContainer [2020-10-28 17:09:24,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:09:24,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:09:24,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:09:24,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:09:24,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:09:22" (1/3) ... [2020-10-28 17:09:24,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0fe83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:09:24, skipping insertion in model container [2020-10-28 17:09:24,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:09:23" (2/3) ... [2020-10-28 17:09:24,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0fe83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:09:24, skipping insertion in model container [2020-10-28 17:09:24,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:09:24" (3/3) ... [2020-10-28 17:09:24,658 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-10-28 17:09:24,670 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:09:24,676 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:09:24,689 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:09:24,718 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:09:24,719 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:09:24,719 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:09:24,719 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:09:24,719 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:09:24,719 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:09:24,719 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:09:24,720 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:09:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-28 17:09:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:09:24,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:09:24,755 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:09:24,756 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:09:24,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:09:24,763 INFO L82 PathProgramCache]: Analyzing trace with hash -880934217, now seen corresponding path program 1 times [2020-10-28 17:09:24,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:09:24,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272960088] [2020-10-28 17:09:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:09:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:25,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:25,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:26,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:26,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:27,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:09:30,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:09:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:09:30,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:09:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:09:30,486 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:09:30,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:09:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:30,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 17:09:30,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:30,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:30,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:09:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:30,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:30,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:30,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:09:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:30,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:30,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:30,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:30,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:09:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:30,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:30,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:30,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:09:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:30,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:30,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:30,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:09:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:30,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:30,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:30,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:09:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:09:30,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:09:30,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:09:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:09:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:30,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:30,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:30,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:09:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:30,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:09:30,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:09:30,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:30,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:09:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:30,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:30,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:30,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:30,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:30,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:30,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:30,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:30,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:09:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:30,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:30,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:09:30,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272960088] [2020-10-28 17:09:30,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:09:30,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:09:30,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343753364] [2020-10-28 17:09:30,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:09:30,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:09:30,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:09:30,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:09:30,674 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-28 17:09:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:09:32,259 INFO L93 Difference]: Finished difference Result 356 states and 454 transitions. [2020-10-28 17:09:32,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:09:32,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:09:32,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:09:32,276 INFO L225 Difference]: With dead ends: 356 [2020-10-28 17:09:32,276 INFO L226 Difference]: Without dead ends: 193 [2020-10-28 17:09:32,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:09:32,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-28 17:09:32,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 161. [2020-10-28 17:09:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-28 17:09:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 189 transitions. [2020-10-28 17:09:32,388 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 189 transitions. Word has length 60 [2020-10-28 17:09:32,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:09:32,389 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 189 transitions. [2020-10-28 17:09:32,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:09:32,389 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 189 transitions. [2020-10-28 17:09:32,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 17:09:32,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:09:32,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:09:32,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:09:32,394 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:09:32,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:09:32,395 INFO L82 PathProgramCache]: Analyzing trace with hash 695123573, now seen corresponding path program 1 times [2020-10-28 17:09:32,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:09:32,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523273985] [2020-10-28 17:09:32,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:09:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:32,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:32,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:33,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:33,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:34,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:37,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:37,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 17:09:37,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:09:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 17:09:37,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:37,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:09:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:09:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:09:37,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:37,890 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:09:37,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:09:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:37,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:37,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:37,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:37,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:37,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 17:09:37,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:37,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:37,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:09:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:37,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:37,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:37,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:37,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:37,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:37,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:37,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:09:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:38,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:38,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:38,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:38,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:38,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:09:38,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:38,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:38,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:38,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:38,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:09:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:38,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:38,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:38,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:38,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:38,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:38,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:38,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:38,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:09:38,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:09:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:38,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:38,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:38,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:38,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:38,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:38,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:38,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:38,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:38,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:38,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:09:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:38,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:38,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:38,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:38,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:38,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:09:38,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:38,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:38,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:38,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:38,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:38,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:38,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:09:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:38,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:38,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:38,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:09:38,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:38,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:09:38,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:38,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:09:38,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:38,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:38,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:09:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:38,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:38,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:38,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:38,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:09:38,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:38,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:38,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:38,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:09:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:38,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:38,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:38,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:38,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:38,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:09:38,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:38,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:38,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:38,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:09:38,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:38,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:38,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:09:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:38,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:38,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:38,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:38,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:38,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:09:38,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:38,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:09:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:38,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:09:38,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523273985] [2020-10-28 17:09:38,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:09:38,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:09:38,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342520289] [2020-10-28 17:09:38,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:09:38,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:09:38,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:09:38,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:09:38,105 INFO L87 Difference]: Start difference. First operand 161 states and 189 transitions. Second operand 5 states. [2020-10-28 17:09:38,866 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:09:40,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:09:40,258 INFO L93 Difference]: Finished difference Result 294 states and 358 transitions. [2020-10-28 17:09:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:09:40,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 17:09:40,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:09:40,263 INFO L225 Difference]: With dead ends: 294 [2020-10-28 17:09:40,264 INFO L226 Difference]: Without dead ends: 183 [2020-10-28 17:09:40,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:09:40,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-28 17:09:40,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 152. [2020-10-28 17:09:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-28 17:09:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 177 transitions. [2020-10-28 17:09:40,327 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 177 transitions. Word has length 61 [2020-10-28 17:09:40,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:09:40,328 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 177 transitions. [2020-10-28 17:09:40,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:09:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 177 transitions. [2020-10-28 17:09:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 17:09:40,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:09:40,331 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:09:40,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:09:40,331 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:09:40,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:09:40,332 INFO L82 PathProgramCache]: Analyzing trace with hash 914365082, now seen corresponding path program 1 times [2020-10-28 17:09:40,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:09:40,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718591645] [2020-10-28 17:09:40,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:09:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:40,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:40,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:41,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:41,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 17:09:44,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:09:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3902 [2020-10-28 17:09:44,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:09:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:09:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:09:44,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,736 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:09:44,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:09:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:44,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 17:09:44,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:09:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:09:44,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:09:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:44,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:09:44,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:09:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:09:44,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:09:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:44,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:44,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:09:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:09:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:09:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:44,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:09:44,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:09:44,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:44,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:09:44,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:09:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:44,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:44,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:09:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:09:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:09:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:44,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:44,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:09:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:44,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:09:44,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:09:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:09:44,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:09:44,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:09:44,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:09:44,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:09:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:44,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:44,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:44,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:09:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:44,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:44,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:09:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:44,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 17:09:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:44,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:44,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:44,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:44,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:44,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:44,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:44,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:44,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:09:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:44,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:09:44,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718591645] [2020-10-28 17:09:44,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:09:44,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:09:44,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277686543] [2020-10-28 17:09:44,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:09:44,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:09:44,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:09:44,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:09:44,949 INFO L87 Difference]: Start difference. First operand 152 states and 177 transitions. Second operand 5 states. [2020-10-28 17:09:45,444 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:09:46,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:09:46,856 INFO L93 Difference]: Finished difference Result 307 states and 377 transitions. [2020-10-28 17:09:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:09:46,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-10-28 17:09:46,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:09:46,866 INFO L225 Difference]: With dead ends: 307 [2020-10-28 17:09:46,866 INFO L226 Difference]: Without dead ends: 183 [2020-10-28 17:09:46,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:09:46,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-28 17:09:46,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 152. [2020-10-28 17:09:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-28 17:09:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2020-10-28 17:09:46,938 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 66 [2020-10-28 17:09:46,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:09:46,938 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2020-10-28 17:09:46,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:09:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2020-10-28 17:09:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 17:09:46,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:09:46,941 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:09:46,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:09:46,941 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:09:46,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:09:46,942 INFO L82 PathProgramCache]: Analyzing trace with hash 754119914, now seen corresponding path program 1 times [2020-10-28 17:09:46,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:09:46,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433134301] [2020-10-28 17:09:46,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:09:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:46,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:47,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:47,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:47,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:48,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:49,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:49,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:49,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:50,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:51,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:51,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:51,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 17:09:51,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:09:51,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:09:51,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:51,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:09:51,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 17:09:51,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:09:51,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,404 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:09:52,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:09:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:52,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 17:09:52,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:52,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:52,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:09:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:52,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:52,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:09:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:52,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:09:52,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:52,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:52,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:09:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:52,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:52,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:09:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:52,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:09:52,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:09:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:52,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:52,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:09:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:09:52,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:52,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:09:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:52,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:52,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:09:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 17:09:52,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:09:52,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:09:52,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:09:52,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:09:52,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:09:52,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:09:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 17:09:52,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:09:52,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:09:52,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:09:52,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:09:52,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 17:09:52,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:52,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:09:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:09:52,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:09:52,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:09:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:09:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 17:09:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:09:52,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:09:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:09:52,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:09:52,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:09:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:09:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:09:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 17:09:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:52,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:09:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 17:09:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:52,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:52,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:09:52,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:09:52,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:09:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:09:52,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:09:52,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:09:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:09:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:09:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:09:52,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:09:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:09:52,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433134301] [2020-10-28 17:09:52,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:09:52,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 17:09:52,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796376940] [2020-10-28 17:09:52,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 17:09:52,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:09:52,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 17:09:52,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:09:52,711 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand 7 states. [2020-10-28 17:09:53,333 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:09:55,366 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:09:56,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:09:56,323 INFO L93 Difference]: Finished difference Result 419 states and 520 transitions. [2020-10-28 17:09:56,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 17:09:56,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-10-28 17:09:56,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:09:56,331 INFO L225 Difference]: With dead ends: 419 [2020-10-28 17:09:56,331 INFO L226 Difference]: Without dead ends: 295 [2020-10-28 17:09:56,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:09:56,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-28 17:09:56,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 247. [2020-10-28 17:09:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-28 17:09:56,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 281 transitions. [2020-10-28 17:09:56,425 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 281 transitions. Word has length 84 [2020-10-28 17:09:56,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:09:56,426 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 281 transitions. [2020-10-28 17:09:56,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 17:09:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 281 transitions. [2020-10-28 17:09:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-28 17:09:56,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:09:56,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:09:56,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:09:56,428 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:09:56,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:09:56,429 INFO L82 PathProgramCache]: Analyzing trace with hash -883593937, now seen corresponding path program 1 times [2020-10-28 17:09:56,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:09:56,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783189345] [2020-10-28 17:09:56,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:09:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:09:56,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:56,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:56,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:56,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:57,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:09:58,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:01,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:01,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 17:10:01,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:10:01,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:10:01,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:01,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:01,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:10:01,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-28 17:10:01,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 17:10:01,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:01,969 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:10:01,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:01,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:02,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 17:10:02,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:02,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:10:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:02,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:02,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:02,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:10:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:02,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:02,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:02,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:10:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:02,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:02,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:10:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:02,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:02,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:02,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:10:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:02,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:02,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:02,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:10:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:10:02,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:02,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:02,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:02,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:02,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:10:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 17:10:02,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:10:02,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 17:10:02,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:02,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:10:02,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:02,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 17:10:02,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:10:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 17:10:02,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:10:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:10:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:10:02,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:10:02,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:02,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 17:10:02,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:10:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:10:02,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:02,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:02,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:10:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:02,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:02,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:10:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 17:10:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:02,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:02,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 17:10:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:02,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:02,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:02,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:02,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:02,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:10:02,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:02,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:10:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:02,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:10:02,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783189345] [2020-10-28 17:10:02,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:10:02,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:10:02,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88688599] [2020-10-28 17:10:02,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:10:02,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:10:02,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:10:02,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:10:02,334 INFO L87 Difference]: Start difference. First operand 247 states and 281 transitions. Second operand 9 states. [2020-10-28 17:10:02,977 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:10:03,908 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:10:04,939 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:10:05,451 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:10:06,203 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:10:06,601 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 17:10:07,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:10:07,657 INFO L93 Difference]: Finished difference Result 511 states and 614 transitions. [2020-10-28 17:10:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 17:10:07,657 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-10-28 17:10:07,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:10:07,661 INFO L225 Difference]: With dead ends: 511 [2020-10-28 17:10:07,661 INFO L226 Difference]: Without dead ends: 292 [2020-10-28 17:10:07,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:10:07,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-28 17:10:07,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 246. [2020-10-28 17:10:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-28 17:10:07,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 278 transitions. [2020-10-28 17:10:07,749 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 278 transitions. Word has length 98 [2020-10-28 17:10:07,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:10:07,752 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 278 transitions. [2020-10-28 17:10:07,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:10:07,752 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 278 transitions. [2020-10-28 17:10:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-28 17:10:07,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:10:07,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:10:07,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:10:07,761 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:10:07,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:10:07,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1114815347, now seen corresponding path program 1 times [2020-10-28 17:10:07,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:10:07,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938592630] [2020-10-28 17:10:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:10:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:07,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 17:10:08,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-28 17:10:08,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:10:08,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-28 17:10:08,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:10:08,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,472 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:10:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:10:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:08,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:08,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:10:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:08,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:08,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:10:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:08,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:08,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:10:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:08,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:08,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:10:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:08,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:08,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:10:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:10:08,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:08,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:08,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:08,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:10:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 17:10:08,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 17:10:08,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:10:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 17:10:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:10:08,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:10:08,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:10:08,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:10:08,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 17:10:08,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:10:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:10:08,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 17:10:08,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:10:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 17:10:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:10:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:10:08,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:10:08,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:10:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 17:10:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:10:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:10:08,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:08,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:10:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:08,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:08,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:08,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 17:10:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:08,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:08,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:08,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 17:10:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:08,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:08,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:08,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:08,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:08,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:08,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:08,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:10:08,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938592630] [2020-10-28 17:10:08,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:10:08,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:10:08,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364790380] [2020-10-28 17:10:08,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:10:08,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:10:08,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:10:08,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:10:08,803 INFO L87 Difference]: Start difference. First operand 246 states and 278 transitions. Second operand 9 states. [2020-10-28 17:10:10,181 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:10:10,584 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-28 17:10:10,984 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:10:11,383 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:10:12,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:10:12,582 INFO L93 Difference]: Finished difference Result 509 states and 609 transitions. [2020-10-28 17:10:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:10:12,591 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2020-10-28 17:10:12,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:10:12,595 INFO L225 Difference]: With dead ends: 509 [2020-10-28 17:10:12,595 INFO L226 Difference]: Without dead ends: 291 [2020-10-28 17:10:12,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:10:12,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-28 17:10:12,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 251. [2020-10-28 17:10:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-10-28 17:10:12,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 283 transitions. [2020-10-28 17:10:12,679 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 283 transitions. Word has length 99 [2020-10-28 17:10:12,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:10:12,680 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 283 transitions. [2020-10-28 17:10:12,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:10:12,680 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 283 transitions. [2020-10-28 17:10:12,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-28 17:10:12,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:10:12,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:10:12,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:10:12,682 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:10:12,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:10:12,683 INFO L82 PathProgramCache]: Analyzing trace with hash 936168651, now seen corresponding path program 1 times [2020-10-28 17:10:12,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:10:12,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749632520] [2020-10-28 17:10:12,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:10:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:12,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:12,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:12,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 17:10:12,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:12,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-28 17:10:12,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:12,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:10:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-28 17:10:12,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:12,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,338 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:10:13,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:13,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 17:10:13,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:10:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:13,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:13,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:13,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:10:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:13,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:13,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:10:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:13,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:13,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:10:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:13,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:13,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:10:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:13,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:13,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:10:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:10:13,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:13,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:13,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:10:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 17:10:13,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:10:13,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:10:13,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 17:10:13,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:13,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:10:13,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:10:13,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:10:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:10:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:13,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:10:13,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:10:13,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:10:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:10:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:13,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:10:13,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:10:13,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:10:13,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:10:13,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:10:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:10:13,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:13,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:10:13,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:13,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:13,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:10:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:13,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:13,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 17:10:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:13,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:13,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 17:10:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:13,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:13,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:13,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:13,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:13,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:13,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:13,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:13,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:10:13,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749632520] [2020-10-28 17:10:13,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:10:13,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:10:13,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813752881] [2020-10-28 17:10:13,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:10:13,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:10:13,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:10:13,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:10:13,576 INFO L87 Difference]: Start difference. First operand 251 states and 283 transitions. Second operand 8 states. [2020-10-28 17:10:14,868 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:10:15,292 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:10:15,708 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:10:16,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:10:16,981 INFO L93 Difference]: Finished difference Result 521 states and 630 transitions. [2020-10-28 17:10:16,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:10:16,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2020-10-28 17:10:16,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:10:16,985 INFO L225 Difference]: With dead ends: 521 [2020-10-28 17:10:16,985 INFO L226 Difference]: Without dead ends: 298 [2020-10-28 17:10:16,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:10:16,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-28 17:10:17,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 255. [2020-10-28 17:10:17,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-28 17:10:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 287 transitions. [2020-10-28 17:10:17,045 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 287 transitions. Word has length 99 [2020-10-28 17:10:17,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:10:17,046 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 287 transitions. [2020-10-28 17:10:17,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:10:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 287 transitions. [2020-10-28 17:10:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-28 17:10:17,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:10:17,047 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:10:17,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:10:17,048 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:10:17,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:10:17,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1725994646, now seen corresponding path program 1 times [2020-10-28 17:10:17,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:10:17,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707040206] [2020-10-28 17:10:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:10:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:17,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:17,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:17,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 17:10:17,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-28 17:10:17,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:17,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:17,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:10:17,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 17:10:17,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:18,020 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:10:18,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:18,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-28 17:10:18,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:10:18,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:10:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:18,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:18,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:10:18,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:10:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:18,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:18,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:10:18,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:10:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:18,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:18,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:18,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:10:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:18,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:18,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:10:18,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:10:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:18,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:18,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:18,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:10:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:10:18,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:10:18,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:10:18,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:18,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:18,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:18,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:18,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:10:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 17:10:18,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:10:18,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 17:10:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:10:18,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:10:18,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:10:18,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 17:10:18,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:10:18,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:10:18,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:10:18,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:10:18,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:10:18,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:10:18,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:10:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:10:18,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:18,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:10:18,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:18,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:10:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:18,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:18,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:18,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 17:10:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:18,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:18,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:18,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:18,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:18,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 17:10:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:18,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:18,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:18,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:18,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:18,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:18,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:18,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:18,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:18,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:18,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:18,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:10:18,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707040206] [2020-10-28 17:10:18,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:10:18,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 17:10:18,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636508608] [2020-10-28 17:10:18,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 17:10:18,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:10:18,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 17:10:18,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:10:18,450 INFO L87 Difference]: Start difference. First operand 255 states and 287 transitions. Second operand 7 states. [2020-10-28 17:10:18,961 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:10:19,709 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:10:22,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:10:22,459 INFO L93 Difference]: Finished difference Result 714 states and 882 transitions. [2020-10-28 17:10:22,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 17:10:22,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 99 [2020-10-28 17:10:22,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:10:22,464 INFO L225 Difference]: With dead ends: 714 [2020-10-28 17:10:22,464 INFO L226 Difference]: Without dead ends: 487 [2020-10-28 17:10:22,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:10:22,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-10-28 17:10:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 444. [2020-10-28 17:10:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-28 17:10:22,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 515 transitions. [2020-10-28 17:10:22,566 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 515 transitions. Word has length 99 [2020-10-28 17:10:22,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:10:22,566 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 515 transitions. [2020-10-28 17:10:22,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 17:10:22,567 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 515 transitions. [2020-10-28 17:10:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-28 17:10:22,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:10:22,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:10:22,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:10:22,569 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:10:22,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:10:22,570 INFO L82 PathProgramCache]: Analyzing trace with hash -242290704, now seen corresponding path program 1 times [2020-10-28 17:10:22,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:10:22,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952641570] [2020-10-28 17:10:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:10:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:22,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:22,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-28 17:10:24,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:10:24,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1649 [2020-10-28 17:10:24,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:10:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-28 17:10:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-28 17:10:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,668 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:10:24,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:24,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 17:10:24,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:24,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:10:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:24,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:24,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:24,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:10:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:24,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:24,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:24,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:10:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:24,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:24,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:24,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:24,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:10:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:24,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:24,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:10:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:24,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:24,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:24,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:24,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:10:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:24,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:10:24,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:10:24,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 17:10:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:10:24,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:24,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:10:24,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:24,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:24,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:24,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 17:10:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 17:10:24,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:10:24,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:10:24,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 17:10:24,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:10:24,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 17:10:24,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 17:10:24,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:10:24,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:10:24,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:24,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:10:24,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:10:24,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:10:24,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:24,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:10:24,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:10:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:10:24,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:24,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:10:24,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:10:24,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:10:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:24,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:24,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:24,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:24,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:10:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:24,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:10:24,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:10:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:24,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 17:10:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:24,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:24,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:24,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:24,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:24,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:24,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:24,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:24,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:24,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:10:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:10:24,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952641570] [2020-10-28 17:10:24,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:10:24,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 17:10:24,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375481180] [2020-10-28 17:10:24,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:10:24,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:10:24,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:10:24,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:10:24,950 INFO L87 Difference]: Start difference. First operand 444 states and 515 transitions. Second operand 12 states. [2020-10-28 17:10:25,624 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:10:26,994 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:10:27,980 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:10:28,491 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:10:28,885 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:10:29,318 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:10:29,743 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-28 17:10:31,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:10:31,874 INFO L93 Difference]: Finished difference Result 865 states and 1062 transitions. [2020-10-28 17:10:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 17:10:31,875 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 103 [2020-10-28 17:10:31,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:10:31,879 INFO L225 Difference]: With dead ends: 865 [2020-10-28 17:10:31,879 INFO L226 Difference]: Without dead ends: 528 [2020-10-28 17:10:31,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-10-28 17:10:31,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-28 17:10:31,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 445. [2020-10-28 17:10:31,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-10-28 17:10:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 514 transitions. [2020-10-28 17:10:31,991 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 514 transitions. Word has length 103 [2020-10-28 17:10:31,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:10:31,992 INFO L481 AbstractCegarLoop]: Abstraction has 445 states and 514 transitions. [2020-10-28 17:10:31,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:10:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 514 transitions. [2020-10-28 17:10:31,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-28 17:10:31,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:10:31,996 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, 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, 1, 1, 1] [2020-10-28 17:10:31,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:10:31,996 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:10:31,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:10:31,997 INFO L82 PathProgramCache]: Analyzing trace with hash -2051090185, now seen corresponding path program 1 times [2020-10-28 17:10:31,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:10:31,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249711228] [2020-10-28 17:10:31,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:10:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:32,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:32,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:32,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:32,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:35,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:35,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:36,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-28 17:10:37,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:10:37,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:10:37,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:10:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-28 17:10:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-28 17:10:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,407 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:10:37,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 17:10:37,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:10:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:37,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:37,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:10:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:37,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:37,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:10:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:37,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:10:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:37,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:37,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:10:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:37,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:10:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:37,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 17:10:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:10:37,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 17:10:37,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 17:10:37,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:10:37,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:37,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:37,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:10:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 17:10:37,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:10:37,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 17:10:37,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 17:10:37,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:10:37,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:10:37,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 17:10:37,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 17:10:37,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:10:37,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:10:37,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:37,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:10:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:10:37,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:37,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:10:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:37,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:10:37,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:10:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:10:37,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:10:37,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:10:37,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:10:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:37,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-28 17:10:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:10:37,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:10:37,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:10:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:10:37,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:10:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:37,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:10:37,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:10:37,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-28 17:10:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:37,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:37,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 17:10:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 17:10:37,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:10:37,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 17:10:37,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:10:37,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:10:37,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:10:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:37,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:10:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 17:10:37,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:10:37,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 17:10:37,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:10:37,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:10:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:37,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:10:37,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 17:10:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:10:37,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:37,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:10:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:10:37,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:10:37,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:10:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:10:37,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 17:10:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:37,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:37,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 17:10:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:10:37,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:10:37,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:10:37,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:10:37,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:10:37,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:10:37,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:10:37,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:10:37,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:10:37,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:10:37,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:10:37,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:10:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-28 17:10:37,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249711228] [2020-10-28 17:10:37,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:10:37,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:10:37,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396514458] [2020-10-28 17:10:37,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:10:37,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:10:37,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:10:37,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:10:37,919 INFO L87 Difference]: Start difference. First operand 445 states and 514 transitions. Second operand 12 states. [2020-10-28 17:10:38,559 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:10:39,597 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:10:40,056 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:10:41,118 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:10:41,639 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:10:42,793 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:10:43,229 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:10:43,640 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:10:44,523 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-28 17:10:45,314 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:10:45,880 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:10:46,796 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:10:47,597 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-28 17:10:48,673 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-28 17:10:49,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:10:49,101 INFO L93 Difference]: Finished difference Result 929 states and 1114 transitions. [2020-10-28 17:10:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-28 17:10:49,101 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2020-10-28 17:10:49,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:10:49,102 INFO L225 Difference]: With dead ends: 929 [2020-10-28 17:10:49,103 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:10:49,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 70 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=500, Invalid=1480, Unknown=0, NotChecked=0, Total=1980 [2020-10-28 17:10:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:10:49,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:10:49,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:10:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:10:49,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2020-10-28 17:10:49,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:10:49,108 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:10:49,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:10:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:10:49,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:10:49,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:10:49,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:10:51,052 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2020-10-28 17:10:53,091 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 256 [2020-10-28 17:10:54,133 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 258 [2020-10-28 17:10:54,627 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 258 [2020-10-28 17:10:54,852 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2020-10-28 17:10:55,451 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-10-28 17:10:55,804 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 24 [2020-10-28 17:10:56,953 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 177 DAG size of output: 24 [2020-10-28 17:10:57,702 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-10-28 17:10:58,016 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-28 17:10:58,359 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-10-28 17:10:59,096 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-10-28 17:10:59,335 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-28 17:11:00,459 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 177 DAG size of output: 24 [2020-10-28 17:11:01,209 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-10-28 17:11:01,525 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2020-10-28 17:11:02,699 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-10-28 17:11:03,160 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-10-28 17:11:03,379 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-10-28 17:11:03,586 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-10-28 17:11:05,672 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 181 DAG size of output: 32 [2020-10-28 17:11:06,012 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:11:06,761 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-10-28 17:11:07,011 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-10-28 17:11:09,096 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 191 DAG size of output: 36 [2020-10-28 17:11:09,370 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-10-28 17:11:09,697 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-10-28 17:11:11,676 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 181 DAG size of output: 33 [2020-10-28 17:11:12,009 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-10-28 17:11:12,346 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2020-10-28 17:11:13,362 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 202 DAG size of output: 43 [2020-10-28 17:11:14,101 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-10-28 17:11:14,892 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-10-28 17:11:16,627 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 178 DAG size of output: 30 [2020-10-28 17:11:18,823 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 182 DAG size of output: 31 [2020-10-28 17:11:18,989 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 17:11:20,185 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 177 DAG size of output: 24 [2020-10-28 17:11:20,987 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-10-28 17:11:21,438 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 26 [2020-10-28 17:11:22,447 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 166 DAG size of output: 17 [2020-10-28 17:11:23,175 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 24 [2020-10-28 17:11:23,338 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 17:11:23,504 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 17:11:23,853 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-10-28 17:11:24,608 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 40 [2020-10-28 17:11:25,382 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-10-28 17:11:25,717 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-10-28 17:11:26,070 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-10-28 17:11:26,418 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-10-28 17:11:26,733 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-28 17:11:27,428 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 28 [2020-10-28 17:11:27,779 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-10-28 17:11:27,942 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 17:11:28,688 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 40 [2020-10-28 17:11:29,923 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-10-28 17:11:30,613 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 24 [2020-10-28 17:11:30,775 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 17:11:31,522 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 17 [2020-10-28 17:11:31,685 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 17:11:32,378 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 24 [2020-10-28 17:11:32,688 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-28 17:11:32,693 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:11:32,693 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:11:32,693 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:11:32,693 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:11:32,693 INFO L274 CegarLoopResult]: For program point L738-1(lines 738 742) no Hoare annotation was computed. [2020-10-28 17:11:32,693 INFO L274 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-10-28 17:11:32,693 INFO L274 CegarLoopResult]: For program point L732-2(lines 732 753) no Hoare annotation was computed. [2020-10-28 17:11:32,694 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 707 762) no Hoare annotation was computed. [2020-10-28 17:11:32,694 INFO L274 CegarLoopResult]: For program point L754(lines 731 755) no Hoare annotation was computed. [2020-10-28 17:11:32,694 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 707 762) no Hoare annotation was computed. [2020-10-28 17:11:32,694 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 707 762) no Hoare annotation was computed. [2020-10-28 17:11:32,696 INFO L274 CegarLoopResult]: For program point L738(lines 738 742) no Hoare annotation was computed. [2020-10-28 17:11:32,696 INFO L274 CegarLoopResult]: For program point L795(lines 795 799) no Hoare annotation was computed. [2020-10-28 17:11:32,696 INFO L274 CegarLoopResult]: For program point L795-1(lines 795 799) no Hoare annotation was computed. [2020-10-28 17:11:32,696 INFO L274 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-10-28 17:11:32,696 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 763 822) no Hoare annotation was computed. [2020-10-28 17:11:32,697 INFO L274 CegarLoopResult]: For program point L789-2(lines 789 814) no Hoare annotation was computed. [2020-10-28 17:11:32,697 INFO L274 CegarLoopResult]: For program point L815(lines 788 816) no Hoare annotation was computed. [2020-10-28 17:11:32,697 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 763 822) no Hoare annotation was computed. [2020-10-28 17:11:32,697 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 763 822) no Hoare annotation was computed. [2020-10-28 17:11:32,697 INFO L274 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-10-28 17:11:32,697 INFO L274 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-10-28 17:11:32,697 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 638 644) the Hoare annotation is: true [2020-10-28 17:11:32,697 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 638 644) no Hoare annotation was computed. [2020-10-28 17:11:32,697 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 645 653) no Hoare annotation was computed. [2020-10-28 17:11:32,698 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 645 653) the Hoare annotation is: true [2020-10-28 17:11:32,698 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 645 653) no Hoare annotation was computed. [2020-10-28 17:11:32,698 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 46 53) the Hoare annotation is: (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:11:32,698 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 46 53) no Hoare annotation was computed. [2020-10-28 17:11:32,698 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 46 53) no Hoare annotation was computed. [2020-10-28 17:11:32,698 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 54 63) the Hoare annotation is: (let ((.cse6 (not (<= 0 ~pumpRunning~0))) (.cse7 (not (<= ~pumpRunning~0 0))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= ~pumpRunning~0 1))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2 .cse3 .cse7) (or (not (= ~waterLevel~0 1)) .cse6 .cse2 .cse3 .cse7) (or .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3))) [2020-10-28 17:11:32,699 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-28 17:11:32,699 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 54 63) no Hoare annotation was computed. [2020-10-28 17:11:32,699 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 54 63) no Hoare annotation was computed. [2020-10-28 17:11:32,699 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 64 92) the Hoare annotation is: true [2020-10-28 17:11:32,699 INFO L270 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (let ((.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (= ~pumpRunning~0 1))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 0 ~pumpRunning~0)) .cse0 .cse1 (not (<= ~pumpRunning~0 0)) .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-28 17:11:32,699 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-28 17:11:32,699 INFO L274 CegarLoopResult]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-10-28 17:11:32,700 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 64 92) no Hoare annotation was computed. [2020-10-28 17:11:32,700 INFO L270 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2) (or (not (<= 0 ~pumpRunning~0)) .cse0 .cse1 (not (<= ~pumpRunning~0 0)) .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2020-10-28 17:11:32,700 INFO L274 CegarLoopResult]: For program point L74-1(line 74) no Hoare annotation was computed. [2020-10-28 17:11:32,700 INFO L274 CegarLoopResult]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-10-28 17:11:32,700 INFO L274 CegarLoopResult]: For program point L72-1(lines 64 92) no Hoare annotation was computed. [2020-10-28 17:11:32,700 INFO L277 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: true [2020-10-28 17:11:32,700 INFO L274 CegarLoopResult]: For program point L70-1(line 70) no Hoare annotation was computed. [2020-10-28 17:11:32,700 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 292 314) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:11:32,701 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 292 314) no Hoare annotation was computed. [2020-10-28 17:11:32,701 INFO L270 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:11:32,701 INFO L270 CegarLoopResult]: At program point L304-1(line 304) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:11:32,701 INFO L274 CegarLoopResult]: For program point L302(lines 302 309) no Hoare annotation was computed. [2020-10-28 17:11:32,701 INFO L274 CegarLoopResult]: For program point L302-1(lines 302 309) no Hoare annotation was computed. [2020-10-28 17:11:32,701 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 292 314) no Hoare annotation was computed. [2020-10-28 17:11:32,701 INFO L274 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-28 17:11:32,701 INFO L270 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:11:32,702 INFO L270 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:11:32,702 INFO L270 CegarLoopResult]: At program point L298-1(line 298) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:11:32,702 INFO L274 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-10-28 17:11:32,702 INFO L274 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-10-28 17:11:32,702 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 246 269) no Hoare annotation was computed. [2020-10-28 17:11:32,702 INFO L274 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-10-28 17:11:32,702 INFO L274 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-10-28 17:11:32,702 INFO L274 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 246 269) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 246 269) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-10-28 17:11:32,703 INFO L274 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-10-28 17:11:32,704 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 461 469) no Hoare annotation was computed. [2020-10-28 17:11:32,704 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 461 469) the Hoare annotation is: true [2020-10-28 17:11:32,704 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 461 469) no Hoare annotation was computed. [2020-10-28 17:11:32,704 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 525 543) the Hoare annotation is: true [2020-10-28 17:11:32,704 INFO L274 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-10-28 17:11:32,704 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 525 543) no Hoare annotation was computed. [2020-10-28 17:11:32,704 INFO L277 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: true [2020-10-28 17:11:32,704 INFO L274 CegarLoopResult]: For program point L534-2(lines 534 538) no Hoare annotation was computed. [2020-10-28 17:11:32,704 INFO L274 CegarLoopResult]: For program point L532-1(line 532) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 525 543) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 470 505) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point L489(lines 489 497) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point L489-2(lines 489 497) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 470 505) no Hoare annotation was computed. [2020-10-28 17:11:32,705 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 470 505) no Hoare annotation was computed. [2020-10-28 17:11:32,706 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 631 637) no Hoare annotation was computed. [2020-10-28 17:11:32,706 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 631 637) the Hoare annotation is: true [2020-10-28 17:11:32,706 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 661 706) no Hoare annotation was computed. [2020-10-28 17:11:32,706 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 661 706) no Hoare annotation was computed. [2020-10-28 17:11:32,706 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 661 706) no Hoare annotation was computed. [2020-10-28 17:11:32,706 INFO L274 CegarLoopResult]: For program point L988(lines 988 1008) no Hoare annotation was computed. [2020-10-28 17:11:32,706 INFO L274 CegarLoopResult]: For program point L988-1(lines 988 1008) no Hoare annotation was computed. [2020-10-28 17:11:32,706 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 974 1019) no Hoare annotation was computed. [2020-10-28 17:11:32,706 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 998 999) no Hoare annotation was computed. [2020-10-28 17:11:32,707 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 1005 1006) no Hoare annotation was computed. [2020-10-28 17:11:32,707 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1006) no Hoare annotation was computed. [2020-10-28 17:11:32,707 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 974 1019) no Hoare annotation was computed. [2020-10-28 17:11:32,707 INFO L274 CegarLoopResult]: For program point L998(lines 998 999) no Hoare annotation was computed. [2020-10-28 17:11:32,707 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 974 1019) no Hoare annotation was computed. [2020-10-28 17:11:32,707 INFO L274 CegarLoopResult]: For program point L994(lines 994 1001) no Hoare annotation was computed. [2020-10-28 17:11:32,707 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 278 288) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:11:32,707 INFO L270 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:11:32,707 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 278 288) no Hoare annotation was computed. [2020-10-28 17:11:32,708 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 278 288) no Hoare annotation was computed. [2020-10-28 17:11:32,708 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 450 460) the Hoare annotation is: true [2020-10-28 17:11:32,708 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 450 460) no Hoare annotation was computed. [2020-10-28 17:11:32,708 INFO L277 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: true [2020-10-28 17:11:32,708 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 450 460) no Hoare annotation was computed. [2020-10-28 17:11:32,708 INFO L274 CegarLoopResult]: For program point L455-1(line 455) no Hoare annotation was computed. [2020-10-28 17:11:32,708 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 442 449) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) (not (= 1 ~systemActive~0))) [2020-10-28 17:11:32,708 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 442 449) no Hoare annotation was computed. [2020-10-28 17:11:32,708 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 442 449) no Hoare annotation was computed. [2020-10-28 17:11:32,709 INFO L274 CegarLoopResult]: For program point L184(lines 184 190) no Hoare annotation was computed. [2020-10-28 17:11:32,709 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 180 193) no Hoare annotation was computed. [2020-10-28 17:11:32,709 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 180 193) the Hoare annotation is: true [2020-10-28 17:11:32,709 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 180 193) no Hoare annotation was computed. [2020-10-28 17:11:32,709 INFO L274 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-10-28 17:11:32,709 INFO L270 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2020-10-28 17:11:32,709 INFO L274 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-10-28 17:11:32,709 INFO L274 CegarLoopResult]: For program point L413(lines 413 430) no Hoare annotation was computed. [2020-10-28 17:11:32,710 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 409 433) no Hoare annotation was computed. [2020-10-28 17:11:32,710 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 409 433) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2020-10-28 17:11:32,710 INFO L270 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-28 17:11:32,710 INFO L274 CegarLoopResult]: For program point L428-1(lines 409 433) no Hoare annotation was computed. [2020-10-28 17:11:32,710 INFO L270 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2020-10-28 17:11:32,710 INFO L270 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2020-10-28 17:11:32,710 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 349 355) no Hoare annotation was computed. [2020-10-28 17:11:32,711 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 349 355) the Hoare annotation is: true [2020-10-28 17:11:32,711 INFO L270 CegarLoopResult]: At program point testENTRY(lines 553 618) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:11:32,711 INFO L274 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-10-28 17:11:32,711 INFO L270 CegarLoopResult]: At program point L601-2(lines 593 606) the Hoare annotation is: (let ((.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (<= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse8 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse7 .cse2 .cse4))) [2020-10-28 17:11:32,711 INFO L274 CegarLoopResult]: For program point testFINAL(lines 553 618) no Hoare annotation was computed. [2020-10-28 17:11:32,711 INFO L274 CegarLoopResult]: For program point L564(lines 563 610) no Hoare annotation was computed. [2020-10-28 17:11:32,712 INFO L270 CegarLoopResult]: At program point L595(line 595) the Hoare annotation is: (let ((.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (<= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse8 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse7 .cse2 .cse4))) [2020-10-28 17:11:32,712 INFO L274 CegarLoopResult]: For program point L593(lines 593 606) no Hoare annotation was computed. [2020-10-28 17:11:32,712 INFO L270 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: (let ((.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (<= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse8 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse7 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4))) [2020-10-28 17:11:32,712 INFO L274 CegarLoopResult]: For program point L583(lines 583 589) no Hoare annotation was computed. [2020-10-28 17:11:32,712 INFO L274 CegarLoopResult]: For program point L583-1(lines 583 589) no Hoare annotation was computed. [2020-10-28 17:11:32,712 INFO L270 CegarLoopResult]: At program point L608(lines 563 610) the Hoare annotation is: (let ((.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (<= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4) (and .cse0 .cse1 .cse6 (<= 2 ~waterLevel~0) .cse3))) [2020-10-28 17:11:32,713 INFO L270 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (let ((.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (<= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4) (and .cse0 .cse1 .cse6 (<= 2 ~waterLevel~0) .cse3))) [2020-10-28 17:11:32,713 INFO L274 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-10-28 17:11:32,713 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2020-10-28 17:11:32,713 INFO L274 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-10-28 17:11:32,713 INFO L270 CegarLoopResult]: At program point L611(lines 562 612) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:11:32,713 INFO L274 CegarLoopResult]: For program point testEXIT(lines 553 618) no Hoare annotation was computed. [2020-10-28 17:11:32,713 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 952 953) no Hoare annotation was computed. [2020-10-28 17:11:32,713 INFO L274 CegarLoopResult]: For program point L959(lines 959 960) no Hoare annotation was computed. [2020-10-28 17:11:32,714 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 959 960) no Hoare annotation was computed. [2020-10-28 17:11:32,714 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 928 973) no Hoare annotation was computed. [2020-10-28 17:11:32,714 INFO L274 CegarLoopResult]: For program point L952(lines 952 953) no Hoare annotation was computed. [2020-10-28 17:11:32,714 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 928 973) no Hoare annotation was computed. [2020-10-28 17:11:32,714 INFO L274 CegarLoopResult]: For program point L948(lines 948 955) no Hoare annotation was computed. [2020-10-28 17:11:32,714 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 928 973) no Hoare annotation was computed. [2020-10-28 17:11:32,714 INFO L274 CegarLoopResult]: For program point L942(lines 942 962) no Hoare annotation was computed. [2020-10-28 17:11:32,714 INFO L274 CegarLoopResult]: For program point L942-1(lines 942 962) no Hoare annotation was computed. [2020-10-28 17:11:32,714 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 194 202) no Hoare annotation was computed. [2020-10-28 17:11:32,715 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 194 202) the Hoare annotation is: true [2020-10-28 17:11:32,715 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 194 202) no Hoare annotation was computed. [2020-10-28 17:11:32,715 INFO L274 CegarLoopResult]: For program point L156(lines 156 164) no Hoare annotation was computed. [2020-10-28 17:11:32,715 INFO L274 CegarLoopResult]: For program point L156-2(lines 156 164) no Hoare annotation was computed. [2020-10-28 17:11:32,715 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 148 170) no Hoare annotation was computed. [2020-10-28 17:11:32,715 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 148 170) no Hoare annotation was computed. [2020-10-28 17:11:32,715 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 148 170) no Hoare annotation was computed. [2020-10-28 17:11:32,715 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 621 630) no Hoare annotation was computed. [2020-10-28 17:11:32,715 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 621 630) no Hoare annotation was computed. [2020-10-28 17:11:32,715 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 621 630) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 825 927) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point L913(lines 913 924) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point L876(lines 876 880) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point L874-2(lines 874 894) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 825 927) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point L895(lines 873 896) no Hoare annotation was computed. [2020-10-28 17:11:32,716 INFO L274 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-28 17:11:32,717 INFO L274 CegarLoopResult]: For program point L914(lines 914 921) no Hoare annotation was computed. [2020-10-28 17:11:32,717 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 825 927) no Hoare annotation was computed. [2020-10-28 17:11:32,717 INFO L274 CegarLoopResult]: For program point L875(lines 874 894) no Hoare annotation was computed. [2020-10-28 17:11:32,717 INFO L274 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-10-28 17:11:32,717 INFO L274 CegarLoopResult]: For program point L906-1(line 906) no Hoare annotation was computed. [2020-10-28 17:11:32,717 INFO L274 CegarLoopResult]: For program point L871(lines 871 912) no Hoare annotation was computed. [2020-10-28 17:11:32,717 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:11:32,718 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string80.base| |old(#t~string80.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string80.offset| |old(#t~string80.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-10-28 17:11:32,718 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:11:32,718 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 434 441) no Hoare annotation was computed. [2020-10-28 17:11:32,718 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 434 441) no Hoare annotation was computed. [2020-10-28 17:11:32,718 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 434 441) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 2 ~waterLevel~0))) [2020-10-28 17:11:32,718 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 171 179) the Hoare annotation is: true [2020-10-28 17:11:32,718 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 171 179) no Hoare annotation was computed. [2020-10-28 17:11:32,718 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 171 179) no Hoare annotation was computed. [2020-10-28 17:11:32,719 INFO L277 CegarLoopResult]: At program point L513(line 513) the Hoare annotation is: true [2020-10-28 17:11:32,719 INFO L274 CegarLoopResult]: For program point L515-2(lines 515 519) no Hoare annotation was computed. [2020-10-28 17:11:32,719 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 506 524) no Hoare annotation was computed. [2020-10-28 17:11:32,719 INFO L274 CegarLoopResult]: For program point L513-1(line 513) no Hoare annotation was computed. [2020-10-28 17:11:32,719 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 506 524) the Hoare annotation is: true [2020-10-28 17:11:32,719 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 506 524) no Hoare annotation was computed. [2020-10-28 17:11:32,719 INFO L274 CegarLoopResult]: For program point L515(lines 515 519) no Hoare annotation was computed. [2020-10-28 17:11:32,719 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 127 138) the Hoare annotation is: (let ((.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~pumpRunning~0 1))) (.cse5 (not (<= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= ~pumpRunning~0 0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or (not (= ~waterLevel~0 1)) .cse5 .cse2 .cse6 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3 .cse7))) [2020-10-28 17:11:32,719 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 127 138) no Hoare annotation was computed. [2020-10-28 17:11:32,720 INFO L274 CegarLoopResult]: For program point L131-1(lines 127 138) no Hoare annotation was computed. [2020-10-28 17:11:32,720 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:11:32,720 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:11:32,720 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:11:32,720 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 139 147) the Hoare annotation is: true [2020-10-28 17:11:32,720 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 139 147) no Hoare annotation was computed. [2020-10-28 17:11:32,720 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 139 147) no Hoare annotation was computed. [2020-10-28 17:11:32,720 INFO L270 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse11 (= 1 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= ~waterLevel~0 2)) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (= ~pumpRunning~0 1) .cse11 .cse12 .cse9 .cse10)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (not (<= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|))) (.cse7 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse12 .cse10)) (.cse4 (not .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse8 .cse4) (or .cse5 .cse0 .cse6 (and (<= 2 ~waterLevel~0) (<= 0 ~pumpRunning~0) .cse9 (<= ~pumpRunning~0 0) .cse10) .cse1 .cse4) (or .cse0 .cse8 .cse2 .cse3 .cse4) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse6 .cse7 .cse4)))) [2020-10-28 17:11:32,721 INFO L270 CegarLoopResult]: At program point L336(lines 336 342) the Hoare annotation is: (let ((.cse10 (<= 0 ~pumpRunning~0)) (.cse12 (<= ~pumpRunning~0 0)) (.cse14 (= ~pumpRunning~0 1)) (.cse17 (= 1 ~systemActive~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= ~waterLevel~0 2)) (.cse13 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse2 (and .cse14 .cse17 .cse16 .cse11 .cse13)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (and .cse17 (or (<= (+ |old(~pumpRunning~0)| 1) 0) (<= 1 |old(~pumpRunning~0)|)) .cse10 (not (= ~switchedOnBeforeTS~0 0)) .cse11 .cse12 .cse13)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (<= 2 ~waterLevel~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| 0))) (.cse8 (not (<= 0 |old(~pumpRunning~0)|))) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (or .cse7 .cse0 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse13) .cse6 (and .cse14 .cse9 .cse11) .cse4) (or (and .cse15 .cse10 .cse12 .cse13) (and .cse15 .cse9) .cse7 .cse0 .cse8 .cse1 .cse4) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse8 (and .cse15 .cse16 .cse13) .cse4)))) [2020-10-28 17:11:32,721 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 322 348) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse4 .cse5) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (or .cse1 .cse3 .cse7 .cse4 .cse5))) [2020-10-28 17:11:32,721 INFO L270 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: (let ((.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse2) (or .cse0 .cse3 .cse1 .cse7 .cse2) (or .cse3 .cse7 .cse5 .cse6 .cse2) (or .cse0 .cse3 .cse1 .cse4 .cse2))) [2020-10-28 17:11:32,721 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 322 348) no Hoare annotation was computed. [2020-10-28 17:11:32,722 INFO L274 CegarLoopResult]: For program point L329(lines 325 347) no Hoare annotation was computed. [2020-10-28 17:11:32,722 INFO L274 CegarLoopResult]: For program point L327(lines 325 347) no Hoare annotation was computed. [2020-10-28 17:11:32,722 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 322 348) no Hoare annotation was computed. [2020-10-28 17:11:32,722 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 215 244) no Hoare annotation was computed. [2020-10-28 17:11:32,722 INFO L277 CegarLoopResult]: At program point L225-2(lines 225 239) the Hoare annotation is: true [2020-10-28 17:11:32,722 INFO L277 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-10-28 17:11:32,722 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 215 244) the Hoare annotation is: true [2020-10-28 17:11:32,722 INFO L274 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-10-28 17:11:32,722 INFO L277 CegarLoopResult]: At program point L240(lines 215 244) the Hoare annotation is: true [2020-10-28 17:11:32,723 INFO L274 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-10-28 17:11:32,723 INFO L274 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-10-28 17:11:32,723 INFO L277 CegarLoopResult]: At program point L229-1(lines 229 233) the Hoare annotation is: true [2020-10-28 17:11:32,723 INFO L274 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-10-28 17:11:32,723 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 103 114) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (= ~pumpRunning~0 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-10-28 17:11:32,723 INFO L274 CegarLoopResult]: For program point L107-1(lines 103 114) no Hoare annotation was computed. [2020-10-28 17:11:32,723 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 103 114) no Hoare annotation was computed. [2020-10-28 17:11:32,723 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 270 276) no Hoare annotation was computed. [2020-10-28 17:11:32,723 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 270 276) the Hoare annotation is: true [2020-10-28 17:11:32,723 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:11:32,724 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2020-10-28 17:11:32,724 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:11:32,724 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:11:32,724 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 544 551) no Hoare annotation was computed. [2020-10-28 17:11:32,724 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 544 551) the Hoare annotation is: (let ((.cse6 (not (= ~pumpRunning~0 1))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (<= 0 ~pumpRunning~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (<= ~pumpRunning~0 0))) (.cse7 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse3 .cse4) (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) .cse6 .cse2 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse7))) [2020-10-28 17:11:32,724 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 544 551) no Hoare annotation was computed. [2020-10-28 17:11:32,724 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 357 381) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2020-10-28 17:11:32,724 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 357 381) no Hoare annotation was computed. [2020-10-28 17:11:32,725 INFO L270 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2020-10-28 17:11:32,725 INFO L274 CegarLoopResult]: For program point L376-1(lines 357 381) no Hoare annotation was computed. [2020-10-28 17:11:32,725 INFO L270 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or (and (<= processEnvironment__wrappee__highWaterSensor_~tmp~2 0) (<= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2020-10-28 17:11:32,725 INFO L270 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-10-28 17:11:32,725 INFO L274 CegarLoopResult]: For program point L365(lines 365 373) no Hoare annotation was computed. [2020-10-28 17:11:32,725 INFO L270 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-28 17:11:32,725 INFO L274 CegarLoopResult]: For program point L363-1(line 363) no Hoare annotation was computed. [2020-10-28 17:11:32,725 INFO L274 CegarLoopResult]: For program point L361(lines 361 378) no Hoare annotation was computed. [2020-10-28 17:11:32,726 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 115 126) no Hoare annotation was computed. [2020-10-28 17:11:32,726 INFO L274 CegarLoopResult]: For program point L119-1(lines 115 126) no Hoare annotation was computed. [2020-10-28 17:11:32,726 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 115 126) the Hoare annotation is: (let ((.cse1 (not (<= 0 ~pumpRunning~0))) (.cse3 (not (<= ~pumpRunning~0 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~pumpRunning~0 1))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse4 .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse4 .cse5 .cse0 .cse2 .cse6))) [2020-10-28 17:11:32,726 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-10-28 17:11:32,726 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 204 211) no Hoare annotation was computed. [2020-10-28 17:11:32,726 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 204 211) the Hoare annotation is: true [2020-10-28 17:11:32,726 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 204 211) no Hoare annotation was computed. [2020-10-28 17:11:32,726 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 383 407) no Hoare annotation was computed. [2020-10-28 17:11:32,727 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 383 407) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2020-10-28 17:11:32,727 INFO L270 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-28 17:11:32,727 INFO L274 CegarLoopResult]: For program point L402-1(lines 383 407) no Hoare annotation was computed. [2020-10-28 17:11:32,727 INFO L270 CegarLoopResult]: At program point L397(line 397) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2020-10-28 17:11:32,727 INFO L270 CegarLoopResult]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2020-10-28 17:11:32,727 INFO L274 CegarLoopResult]: For program point L391(lines 391 399) no Hoare annotation was computed. [2020-10-28 17:11:32,727 INFO L270 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2020-10-28 17:11:32,728 INFO L274 CegarLoopResult]: For program point L389-1(line 389) no Hoare annotation was computed. [2020-10-28 17:11:32,728 INFO L274 CegarLoopResult]: For program point L387(lines 387 404) no Hoare annotation was computed. [2020-10-28 17:11:32,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:11:32 BoogieIcfgContainer [2020-10-28 17:11:32,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:11:32,748 INFO L168 Benchmark]: Toolchain (without parser) took 130378.10 ms. Allocated memory was 153.1 MB in the beginning and 803.2 MB in the end (delta: 650.1 MB). Free memory was 127.5 MB in the beginning and 629.1 MB in the end (delta: -501.6 MB). Peak memory consumption was 497.7 MB. Max. memory is 8.0 GB. [2020-10-28 17:11:32,749 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 153.1 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:11:32,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.09 ms. Allocated memory is still 153.1 MB. Free memory was 126.8 MB in the beginning and 104.6 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:11:32,750 INFO L168 Benchmark]: Boogie Preprocessor took 145.67 ms. Allocated memory is still 153.1 MB. Free memory was 104.6 MB in the beginning and 133.2 MB in the end (delta: -28.6 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. [2020-10-28 17:11:32,750 INFO L168 Benchmark]: RCFGBuilder took 1442.53 ms. Allocated memory is still 153.1 MB. Free memory was 133.2 MB in the beginning and 125.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2020-10-28 17:11:32,751 INFO L168 Benchmark]: TraceAbstraction took 128095.79 ms. Allocated memory was 153.1 MB in the beginning and 803.2 MB in the end (delta: 650.1 MB). Free memory was 125.5 MB in the beginning and 629.1 MB in the end (delta: -503.6 MB). Peak memory consumption was 494.7 MB. Max. memory is 8.0 GB. [2020-10-28 17:11:32,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 153.1 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 668.09 ms. Allocated memory is still 153.1 MB. Free memory was 126.8 MB in the beginning and 104.6 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.67 ms. Allocated memory is still 153.1 MB. Free memory was 104.6 MB in the beginning and 133.2 MB in the end (delta: -28.6 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1442.53 ms. Allocated memory is still 153.1 MB. Free memory was 133.2 MB in the beginning and 125.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 128095.79 ms. Allocated memory was 153.1 MB in the beginning and 803.2 MB in the end (delta: 650.1 MB). Free memory was 125.5 MB in the beginning and 629.1 MB in the end (delta: -503.6 MB). Peak memory consumption was 494.7 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: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 952]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 998]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1005]: 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: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(\old(waterLevel) == 1)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || (((((splverifierCounter <= 0 && 1 == systemActive) && 0 <= pumpRunning) && waterLevel <= 2) && pumpRunning <= 0) && pumpRunning <= switchedOnBeforeTS)) || !(\old(pumpRunning) <= 0)) || !(\old(waterLevel) == 1)) || ((((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 1) && waterLevel <= 2) && pumpRunning <= switchedOnBeforeTS)) || !(0 <= \old(pumpRunning))) || ((((((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && 1 == systemActive) && switchedOnBeforeTS == \old(switchedOnBeforeTS)) && 0 <= pumpRunning) && \old(methaneLevelCritical) == methaneLevelCritical) && pumpRunning <= 0)) || ((((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 1) && 2 <= waterLevel) && waterLevel <= 2) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 271 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 84.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 44.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 43.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1647 SDtfs, 2893 SDslu, 1548 SDs, 0 SdLazy, 6786 SolverSat, 2080 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 513 GetRequests, 352 SyntacticMatches, 12 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 22.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=445occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 397 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1121 PreInvPairs, 1217 NumberOfFragments, 3013 HoareAnnotationTreeSize, 1121 FomulaSimplifications, 53635101 FormulaSimplificationTreeSizeReduction, 5.9s HoareSimplificationTime, 72 FomulaSimplificationsInter, 542275 FormulaSimplificationTreeSizeReductionInter, 37.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 38.7s InterpolantComputationTime, 950 NumberOfCodeBlocks, 950 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 940 ConstructedInterpolants, 0 QuantifiedInterpolants, 363788 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 64/74 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...