/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:11:37,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:11:37,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:11:37,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:11:37,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:11:37,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:11:37,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:11:37,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:11:37,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:11:37,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:11:37,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:11:37,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:11:37,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:11:37,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:11:37,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:11:37,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:11:37,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:11:37,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:11:37,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:11:37,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:11:37,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:11:37,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:11:37,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:11:37,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:11:37,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:11:37,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:11:37,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:11:37,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:11:37,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:11:37,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:11:37,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:11:37,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:11:37,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:11:37,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:11:37,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:11:37,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:11:37,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:11:37,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:11:37,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:11:37,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:11:37,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:11:37,240 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 [2020-10-27 22:11:37,266 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:11:37,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:11:37,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:11:37,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:11:37,268 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:11:37,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:11:37,269 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:11:37,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:11:37,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:11:37,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:11:37,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:11:37,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:11:37,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:11:37,270 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:11:37,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:11:37,270 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:11:37,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:11:37,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:11:37,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:11:37,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:11:37,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:11:37,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:11:37,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:11:37,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:11:37,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:11:37,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:11:37,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:11:37,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:11:37,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:11:37,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:11:37,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:11:37,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:11:37,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:11:37,688 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:11:37,689 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:11:37,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2020-10-27 22:11:37,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae65b07a5/915e8c0e841f4126a42ba5c65b76042c/FLAG898e369aa [2020-10-27 22:11:38,476 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:11:38,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2020-10-27 22:11:38,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae65b07a5/915e8c0e841f4126a42ba5c65b76042c/FLAG898e369aa [2020-10-27 22:11:38,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae65b07a5/915e8c0e841f4126a42ba5c65b76042c [2020-10-27 22:11:38,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:11:38,785 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:11:38,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:11:38,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:11:38,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:11:38,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:38" (1/1) ... [2020-10-27 22:11:38,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3124edb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:38, skipping insertion in model container [2020-10-27 22:11:38,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:38" (1/1) ... [2020-10-27 22:11:38,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:11:38,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:11:39,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:11:39,248 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:11:39,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:11:39,464 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:11:39,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39 WrapperNode [2020-10-27 22:11:39,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:11:39,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:11:39,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:11:39,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:11:39,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39" (1/1) ... [2020-10-27 22:11:39,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39" (1/1) ... [2020-10-27 22:11:39,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39" (1/1) ... [2020-10-27 22:11:39,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39" (1/1) ... [2020-10-27 22:11:39,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39" (1/1) ... [2020-10-27 22:11:39,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39" (1/1) ... [2020-10-27 22:11:39,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39" (1/1) ... [2020-10-27 22:11:39,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:11:39,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:11:39,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:11:39,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:11:39,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39" (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 [2020-10-27 22:11:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:11:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:11:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:11:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:11:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:11:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:11:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:11:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:11:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:11:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:11:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:11:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:11:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:11:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:11:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:11:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:11:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:11:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 22:11:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:11:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:11:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:11:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:11:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:11:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:11:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:11:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:11:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:11:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:11:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:11:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:11:39,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:11:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:11:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:11:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:11:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:11:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:11:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:11:39,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:11:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:11:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:11:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:11:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:11:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:11:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:11:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:11:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:11:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:11:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:11:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:11:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:11:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:11:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:11:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:11:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:11:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:11:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:11:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:11:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:11:39,701 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:11:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:11:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:11:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:11:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:11:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:11:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:11:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:11:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:11:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:11:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:11:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:11:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:11:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:11:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:11:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:11:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:11:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:11:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:11:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:11:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:11:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:11:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:11:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:11:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:11:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:11:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 22:11:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:11:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:11:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:11:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:11:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:11:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:11:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:11:40,897 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:11:40,898 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:11:40,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:11:40 BoogieIcfgContainer [2020-10-27 22:11:40,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:11:40,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:11:40,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:11:40,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:11:40,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:11:38" (1/3) ... [2020-10-27 22:11:40,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1ae4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:11:40, skipping insertion in model container [2020-10-27 22:11:40,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:39" (2/3) ... [2020-10-27 22:11:40,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1ae4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:11:40, skipping insertion in model container [2020-10-27 22:11:40,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:11:40" (3/3) ... [2020-10-27 22:11:40,911 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2020-10-27 22:11:40,925 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:11:40,931 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:11:40,946 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:11:40,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:11:40,977 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:11:40,977 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:11:40,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:11:40,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:11:40,978 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:11:40,978 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:11:40,978 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:11:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-10-27 22:11:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 22:11:41,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:41,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:41,016 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]=== [2020-10-27 22:11:41,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:41,023 INFO L82 PathProgramCache]: Analyzing trace with hash -589848371, now seen corresponding path program 1 times [2020-10-27 22:11:41,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:41,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497112389] [2020-10-27 22:11:41,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:41,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:41,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:41,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:44,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:44,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 22:11:44,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:11:44,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3119 [2020-10-27 22:11:44,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:11:44,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:44,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:11:44,888 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:44,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:44,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:44,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:44,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:44,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:44,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 22:11:44,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:44,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:44,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:44,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:44,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:44,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:44,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:44,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:11:44,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:44,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:45,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:45,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:45,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:45,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:45,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:45,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:45,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:45,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:45,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:45,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:45,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:45,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:45,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:45,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:45,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:45,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:45,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:45,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:45,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:45,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:45,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:45,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:45,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:45,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:45,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:45,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:45,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:45,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:45,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:45,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:11:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:45,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:45,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:45,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:45,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:45,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:45,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:45,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:45,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:45,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:45,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:45,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:11:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:45,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:45,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:45,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:45,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:45,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:11:45,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:45,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:45,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:45,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:45,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:45,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:11:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:45,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:45,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:45,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:45,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:45,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:11:45,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:45,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:45,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:45,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497112389] [2020-10-27 22:11:45,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:45,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:11:45,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860112247] [2020-10-27 22:11:45,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:11:45,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:45,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:11:45,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:11:45,118 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 3 states. [2020-10-27 22:11:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:46,476 INFO L93 Difference]: Finished difference Result 304 states and 398 transitions. [2020-10-27 22:11:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:11:46,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-27 22:11:46,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:46,493 INFO L225 Difference]: With dead ends: 304 [2020-10-27 22:11:46,494 INFO L226 Difference]: Without dead ends: 162 [2020-10-27 22:11:46,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:11:46,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-27 22:11:46,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 130. [2020-10-27 22:11:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-27 22:11:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2020-10-27 22:11:46,603 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 53 [2020-10-27 22:11:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:46,604 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2020-10-27 22:11:46,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:11:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2020-10-27 22:11:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 22:11:46,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:46,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:46,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:11:46,609 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]=== [2020-10-27 22:11:46,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:46,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1110430462, now seen corresponding path program 1 times [2020-10-27 22:11:46,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:46,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318084731] [2020-10-27 22:11:46,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:46,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:46,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:46,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:48,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:48,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:11:48,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:11:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2303 [2020-10-27 22:11:48,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:11:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:11:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,348 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:49,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:11:49,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:49,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:49,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:49,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:11:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:11:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:49,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:11:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:49,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:49,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:49,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:49,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:49,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:49,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:49,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318084731] [2020-10-27 22:11:49,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:49,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:11:49,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499563518] [2020-10-27 22:11:49,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:11:49,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:49,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:11:49,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:11:49,450 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 4 states. [2020-10-27 22:11:50,041 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:11:51,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:51,183 INFO L93 Difference]: Finished difference Result 234 states and 285 transitions. [2020-10-27 22:11:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:11:51,184 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-27 22:11:51,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:51,187 INFO L225 Difference]: With dead ends: 234 [2020-10-27 22:11:51,187 INFO L226 Difference]: Without dead ends: 146 [2020-10-27 22:11:51,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:11:51,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-27 22:11:51,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 121. [2020-10-27 22:11:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-27 22:11:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2020-10-27 22:11:51,242 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 54 [2020-10-27 22:11:51,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:51,242 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2020-10-27 22:11:51,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:11:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2020-10-27 22:11:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 22:11:51,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:51,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:51,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:11:51,246 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]=== [2020-10-27 22:11:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:51,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1278999965, now seen corresponding path program 1 times [2020-10-27 22:11:51,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:51,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326382273] [2020-10-27 22:11:51,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:51,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:51,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:52,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:52,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 22:11:52,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:11:52,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1189 [2020-10-27 22:11:52,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:52,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:11:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 22:11:52,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:52,982 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:52,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:53,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:53,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:53,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:53,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:53,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 22:11:53,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:11:53,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:53,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:53,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:53,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:53,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:53,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:53,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:53,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:53,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:53,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:53,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:53,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:53,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:53,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:53,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:53,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:53,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:53,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:53,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:53,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:53,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:53,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:53,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:53,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:53,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:53,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:53,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:53,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:53,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:53,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:53,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:53,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:53,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:53,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:53,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:53,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:53,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:53,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:11:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:53,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:53,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:53,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:53,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:53,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:53,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:53,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:53,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:53,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:53,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 22:11:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:53,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:53,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:53,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:53,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:53,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:11:53,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:53,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:11:53,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:53,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:53,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:53,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 22:11:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:53,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:53,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:53,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:53,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:53,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:53,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:53,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:53,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326382273] [2020-10-27 22:11:53,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:53,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:11:53,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413721696] [2020-10-27 22:11:53,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:11:53,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:53,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:11:53,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:11:53,185 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 7 states. [2020-10-27 22:11:53,807 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:55,171 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:11:55,697 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:11:56,193 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:11:56,657 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:57,298 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:11:58,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:58,262 INFO L93 Difference]: Finished difference Result 337 states and 430 transitions. [2020-10-27 22:11:58,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:11:58,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-27 22:11:58,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:58,273 INFO L225 Difference]: With dead ends: 337 [2020-10-27 22:11:58,273 INFO L226 Difference]: Without dead ends: 240 [2020-10-27 22:11:58,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:11:58,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-27 22:11:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 217. [2020-10-27 22:11:58,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-27 22:11:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 261 transitions. [2020-10-27 22:11:58,370 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 261 transitions. Word has length 58 [2020-10-27 22:11:58,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:58,371 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 261 transitions. [2020-10-27 22:11:58,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:11:58,371 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 261 transitions. [2020-10-27 22:11:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 22:11:58,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:58,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:58,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:11:58,375 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]=== [2020-10-27 22:11:58,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:58,376 INFO L82 PathProgramCache]: Analyzing trace with hash 250702423, now seen corresponding path program 1 times [2020-10-27 22:11:58,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:58,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939788921] [2020-10-27 22:11:58,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:58,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:58,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:58,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:11:58,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:58,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-27 22:11:58,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:58,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 22:11:58,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:58,971 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:58,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 22:11:59,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:11:59,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:59,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:59,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:59,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:59,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:59,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:59,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:59,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:59,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:11:59,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:59,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:11:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:59,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:59,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 22:11:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:59,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:59,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:59,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 22:11:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:59,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 22:11:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:59,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:59,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:59,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:59,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:59,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:59,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:59,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:59,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:59,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:59,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:59,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939788921] [2020-10-27 22:11:59,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:59,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:11:59,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131378873] [2020-10-27 22:11:59,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:11:59,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:59,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:11:59,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:11:59,229 INFO L87 Difference]: Start difference. First operand 217 states and 261 transitions. Second operand 6 states. [2020-10-27 22:11:59,651 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:00,815 INFO L93 Difference]: Finished difference Result 432 states and 538 transitions. [2020-10-27 22:12:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:12:00,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-10-27 22:12:00,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:00,819 INFO L225 Difference]: With dead ends: 432 [2020-10-27 22:12:00,820 INFO L226 Difference]: Without dead ends: 239 [2020-10-27 22:12:00,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:00,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-10-27 22:12:00,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 213. [2020-10-27 22:12:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-27 22:12:00,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 252 transitions. [2020-10-27 22:12:00,886 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 252 transitions. Word has length 62 [2020-10-27 22:12:00,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:00,886 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 252 transitions. [2020-10-27 22:12:00,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:12:00,886 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 252 transitions. [2020-10-27 22:12:00,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-27 22:12:00,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:00,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:00,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:12:00,890 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]=== [2020-10-27 22:12:00,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:00,890 INFO L82 PathProgramCache]: Analyzing trace with hash 2116743646, now seen corresponding path program 1 times [2020-10-27 22:12:00,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:00,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171711144] [2020-10-27 22:12:00,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:00,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:01,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:01,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:05,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:05,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 22:12:05,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:12:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 22:12:05,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 22:12:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,315 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:06,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:06,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:12:06,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:06,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:06,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:06,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:06,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:06,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 22:12:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:06,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 22:12:06,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:06,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:12:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:12:06,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:12:06,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:12:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:12:06,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:06,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 22:12:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:06,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:06,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 22:12:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:06,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:06,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 22:12:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:06,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:06,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:12:06,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171711144] [2020-10-27 22:12:06,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:06,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:12:06,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669351271] [2020-10-27 22:12:06,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:12:06,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:06,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:12:06,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:06,534 INFO L87 Difference]: Start difference. First operand 213 states and 252 transitions. Second operand 8 states. [2020-10-27 22:12:07,125 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:08,752 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:09,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:09,962 INFO L93 Difference]: Finished difference Result 564 states and 711 transitions. [2020-10-27 22:12:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:12:09,962 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2020-10-27 22:12:09,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:09,966 INFO L225 Difference]: With dead ends: 564 [2020-10-27 22:12:09,966 INFO L226 Difference]: Without dead ends: 375 [2020-10-27 22:12:09,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:12:09,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-10-27 22:12:10,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 331. [2020-10-27 22:12:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-10-27 22:12:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 387 transitions. [2020-10-27 22:12:10,053 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 387 transitions. Word has length 75 [2020-10-27 22:12:10,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:10,053 INFO L481 AbstractCegarLoop]: Abstraction has 331 states and 387 transitions. [2020-10-27 22:12:10,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:12:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 387 transitions. [2020-10-27 22:12:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 22:12:10,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:10,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:10,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:12:10,056 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]=== [2020-10-27 22:12:10,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:10,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1502152104, now seen corresponding path program 1 times [2020-10-27 22:12:10,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:10,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421780106] [2020-10-27 22:12:10,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:10,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:10,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:13,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:13,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:12:13,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3798 [2020-10-27 22:12:13,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 22:12:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:12:13,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,283 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:14,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 22:12:14,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:14,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:14,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:14,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 22:12:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:12:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:12:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:14,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:14,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:12:14,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:14,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:14,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:12:14,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:14,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:14,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:14,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:14,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:14,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 22:12:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:14,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:14,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:14,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 22:12:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:14,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:14,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:12:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:14,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:14,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:14,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:14,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:14,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:12:14,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421780106] [2020-10-27 22:12:14,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:14,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:14,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965915983] [2020-10-27 22:12:14,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:14,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:14,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:14,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:14,512 INFO L87 Difference]: Start difference. First operand 331 states and 387 transitions. Second operand 9 states. [2020-10-27 22:12:15,119 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:16,991 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:17,474 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:17,886 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:18,281 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:19,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:19,913 INFO L93 Difference]: Finished difference Result 747 states and 953 transitions. [2020-10-27 22:12:19,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:12:19,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-27 22:12:19,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:19,920 INFO L225 Difference]: With dead ends: 747 [2020-10-27 22:12:19,920 INFO L226 Difference]: Without dead ends: 548 [2020-10-27 22:12:19,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:12:19,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-10-27 22:12:20,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 486. [2020-10-27 22:12:20,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-10-27 22:12:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 577 transitions. [2020-10-27 22:12:20,042 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 577 transitions. Word has length 89 [2020-10-27 22:12:20,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:20,043 INFO L481 AbstractCegarLoop]: Abstraction has 486 states and 577 transitions. [2020-10-27 22:12:20,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 577 transitions. [2020-10-27 22:12:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 22:12:20,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:20,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:20,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:12:20,046 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]=== [2020-10-27 22:12:20,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:20,046 INFO L82 PathProgramCache]: Analyzing trace with hash -40572105, now seen corresponding path program 1 times [2020-10-27 22:12:20,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:20,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616231059] [2020-10-27 22:12:20,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:12:20,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-27 22:12:20,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:20,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 22:12:20,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:20,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,673 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:20,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:12:20,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:20,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:20,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:20,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:20,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:20,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:20,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:20,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:20,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:20,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:20,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:20,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 22:12:20,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:12:20,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:12:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:20,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:12:20,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:12:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:20,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:12:20,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:12:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:20,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:20,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:20,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:20,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:20,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:20,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 22:12:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:20,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:20,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 22:12:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:20,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:20,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:12:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:20,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:20,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:20,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:20,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:20,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:20,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:20,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:20,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:12:20,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616231059] [2020-10-27 22:12:20,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:20,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:12:20,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732459135] [2020-10-27 22:12:20,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:12:20,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:20,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:12:20,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:20,915 INFO L87 Difference]: Start difference. First operand 486 states and 577 transitions. Second operand 8 states. [2020-10-27 22:12:22,056 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:22,439 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:22,877 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:24,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:24,239 INFO L93 Difference]: Finished difference Result 900 states and 1111 transitions. [2020-10-27 22:12:24,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:12:24,240 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-10-27 22:12:24,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:24,247 INFO L225 Difference]: With dead ends: 900 [2020-10-27 22:12:24,247 INFO L226 Difference]: Without dead ends: 542 [2020-10-27 22:12:24,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:12:24,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2020-10-27 22:12:24,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 486. [2020-10-27 22:12:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-10-27 22:12:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 576 transitions. [2020-10-27 22:12:24,387 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 576 transitions. Word has length 89 [2020-10-27 22:12:24,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:24,388 INFO L481 AbstractCegarLoop]: Abstraction has 486 states and 576 transitions. [2020-10-27 22:12:24,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:12:24,388 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 576 transitions. [2020-10-27 22:12:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 22:12:24,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:24,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:24,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:12:24,393 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]=== [2020-10-27 22:12:24,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:24,393 INFO L82 PathProgramCache]: Analyzing trace with hash -434938891, now seen corresponding path program 1 times [2020-10-27 22:12:24,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:24,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867499937] [2020-10-27 22:12:24,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:12:24,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-27 22:12:24,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:24,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 22:12:24,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:24,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,100 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:25,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:25,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:12:25,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:25,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:25,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:25,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:25,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:25,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:25,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:25,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:25,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:25,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:25,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:25,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:25,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:25,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:25,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 22:12:25,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:12:25,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:25,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 22:12:25,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:25,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:25,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:12:25,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:25,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:12:25,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:25,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:25,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:25,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:12:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:25,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:25,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:25,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:25,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 22:12:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:25,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:25,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 22:12:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:25,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:25,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:12:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:25,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:25,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:25,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:25,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:25,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:25,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:25,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:12:25,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867499937] [2020-10-27 22:12:25,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:25,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:25,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070669971] [2020-10-27 22:12:25,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:25,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:25,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:25,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:25,322 INFO L87 Difference]: Start difference. First operand 486 states and 576 transitions. Second operand 9 states. [2020-10-27 22:12:26,470 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:26,899 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:27,356 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:27,733 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:29,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:29,165 INFO L93 Difference]: Finished difference Result 999 states and 1237 transitions. [2020-10-27 22:12:29,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:12:29,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-27 22:12:29,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:29,170 INFO L225 Difference]: With dead ends: 999 [2020-10-27 22:12:29,170 INFO L226 Difference]: Without dead ends: 537 [2020-10-27 22:12:29,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:12:29,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-10-27 22:12:29,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 486. [2020-10-27 22:12:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-10-27 22:12:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 574 transitions. [2020-10-27 22:12:29,285 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 574 transitions. Word has length 89 [2020-10-27 22:12:29,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:29,285 INFO L481 AbstractCegarLoop]: Abstraction has 486 states and 574 transitions. [2020-10-27 22:12:29,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 574 transitions. [2020-10-27 22:12:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 22:12:29,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:29,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:29,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:12:29,287 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]=== [2020-10-27 22:12:29,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:29,288 INFO L82 PathProgramCache]: Analyzing trace with hash -237052284, now seen corresponding path program 1 times [2020-10-27 22:12:29,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:29,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543360517] [2020-10-27 22:12:29,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 22:12:29,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-27 22:12:29,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-27 22:12:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 22:12:29,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,071 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:30,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:30,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:12:30,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:30,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:30,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:30,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:30,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:30,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:30,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:30,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:30,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:30,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:30,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:30,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:30,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:30,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:30,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:30,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:30,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 22:12:30,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:30,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:12:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:12:30,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:30,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:30,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:12:30,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:30,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:30,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:30,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:30,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:30,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:30,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:30,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:12:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 22:12:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:30,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:30,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 22:12:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:30,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:30,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:30,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 22:12:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:30,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:30,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:30,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:30,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:30,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:30,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:12:30,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543360517] [2020-10-27 22:12:30,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:30,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:30,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911706473] [2020-10-27 22:12:30,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:30,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:30,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:30,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:30,313 INFO L87 Difference]: Start difference. First operand 486 states and 574 transitions. Second operand 9 states. [2020-10-27 22:12:31,734 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:32,640 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:33,239 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:33,717 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:34,685 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:35,252 INFO L93 Difference]: Finished difference Result 985 states and 1186 transitions. [2020-10-27 22:12:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:12:35,259 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-27 22:12:35,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:35,264 INFO L225 Difference]: With dead ends: 985 [2020-10-27 22:12:35,265 INFO L226 Difference]: Without dead ends: 523 [2020-10-27 22:12:35,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:12:35,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-10-27 22:12:35,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 486. [2020-10-27 22:12:35,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-10-27 22:12:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 562 transitions. [2020-10-27 22:12:35,387 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 562 transitions. Word has length 90 [2020-10-27 22:12:35,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:35,390 INFO L481 AbstractCegarLoop]: Abstraction has 486 states and 562 transitions. [2020-10-27 22:12:35,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 562 transitions. [2020-10-27 22:12:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-27 22:12:35,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:35,396 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:12:35,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:12:35,397 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]=== [2020-10-27 22:12:35,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:35,397 INFO L82 PathProgramCache]: Analyzing trace with hash -944150200, now seen corresponding path program 1 times [2020-10-27 22:12:35,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:35,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600776057] [2020-10-27 22:12:35,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:35,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:35,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-27 22:12:40,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:12:40,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 22:12:40,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:12:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-27 22:12:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 22:12:40,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,809 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:40,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:40,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:12:40,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:40,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:40,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:40,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:40,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:40,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:40,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:40,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:12:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:12:40,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:40,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 22:12:40,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:12:40,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:12:40,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:40,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:40,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:40,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:40,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 22:12:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:12:40,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:40,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 22:12:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:40,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:40,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:40,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:40,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:40,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:40,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:40,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:40,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:40,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:40,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 22:12:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:40,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 22:12:41,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:12:41,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:12:41,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:41,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 22:12:41,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:12:41,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:12:41,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:12:41,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:41,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:41,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:41,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:41,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:41,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 22:12:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:41,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:41,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 22:12:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:41,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:41,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:41,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 22:12:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:41,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:41,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 22:12:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:41,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:41,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:41,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:41,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:41,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 22:12:41,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600776057] [2020-10-27 22:12:41,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:12:41,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:12:41,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194636262] [2020-10-27 22:12:41,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:12:41,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:41,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:12:41,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:12:41,198 INFO L87 Difference]: Start difference. First operand 486 states and 562 transitions. Second operand 14 states. [2020-10-27 22:12:43,123 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:44,483 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:44,984 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:45,367 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:45,824 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:46,258 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:47,600 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:47,997 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:48,406 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:48,827 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:49,215 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:49,628 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:50,025 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:50,474 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:51,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:51,079 INFO L93 Difference]: Finished difference Result 1313 states and 1626 transitions. [2020-10-27 22:12:51,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 22:12:51,079 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 137 [2020-10-27 22:12:51,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:51,081 INFO L225 Difference]: With dead ends: 1313 [2020-10-27 22:12:51,081 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:12:51,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=195, Invalid=797, Unknown=0, NotChecked=0, Total=992 [2020-10-27 22:12:51,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:12:51,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:12:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:12:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:12:51,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2020-10-27 22:12:51,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:51,086 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:12:51,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:12:51,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:12:51,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:12:51,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:12:51,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:12:55,290 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 253 [2020-10-27 22:12:56,986 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 241 [2020-10-27 22:12:57,165 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-10-27 22:12:57,691 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 241 [2020-10-27 22:12:58,773 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 15 [2020-10-27 22:12:59,481 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 23 [2020-10-27 22:13:00,268 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-10-27 22:13:00,562 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-27 22:13:00,871 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-27 22:13:01,176 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-27 22:13:01,578 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 15 [2020-10-27 22:13:02,269 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 15 [2020-10-27 22:13:02,582 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-27 22:13:02,893 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-27 22:13:03,241 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:13:03,534 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-27 22:13:04,521 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 19 [2020-10-27 22:13:05,260 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 15 [2020-10-27 22:13:05,579 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-27 22:13:06,575 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 16 [2020-10-27 22:13:06,922 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-10-27 22:13:07,962 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 167 DAG size of output: 18 [2020-10-27 22:13:08,619 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 11 [2020-10-27 22:13:09,771 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 170 DAG size of output: 21 [2020-10-27 22:13:11,012 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 173 DAG size of output: 23 [2020-10-27 22:13:12,531 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 192 DAG size of output: 26 [2020-10-27 22:13:13,532 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 15 [2020-10-27 22:13:13,867 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 22:13:14,206 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-27 22:13:14,884 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 11 [2020-10-27 22:13:15,561 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 15 [2020-10-27 22:13:15,911 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-10-27 22:13:17,223 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 187 DAG size of output: 32 [2020-10-27 22:13:17,552 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 22:13:17,888 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-27 22:13:19,238 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-10-27 22:13:19,564 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-27 22:13:19,902 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-27 22:13:20,179 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 19 [2020-10-27 22:13:20,479 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 26 [2020-10-27 22:13:20,825 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-10-27 22:13:21,243 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 20 [2020-10-27 22:13:21,570 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-27 22:13:21,907 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-27 22:13:22,596 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 15 [2020-10-27 22:13:23,280 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 13 [2020-10-27 22:13:23,563 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 19 [2020-10-27 22:13:24,319 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 19 [2020-10-27 22:13:24,651 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-27 22:13:24,656 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 22:13:24,656 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 22:13:24,657 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 22:13:24,657 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 22:13:24,657 INFO L274 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-10-27 22:13:24,657 INFO L274 CegarLoopResult]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2020-10-27 22:13:24,657 INFO L274 CegarLoopResult]: For program point L245(lines 222 246) no Hoare annotation was computed. [2020-10-27 22:13:24,657 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 198 253) no Hoare annotation was computed. [2020-10-27 22:13:24,657 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2020-10-27 22:13:24,658 INFO L274 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-10-27 22:13:24,658 INFO L274 CegarLoopResult]: For program point L229-1(lines 229 233) no Hoare annotation was computed. [2020-10-27 22:13:24,658 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2020-10-27 22:13:24,658 INFO L274 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-10-27 22:13:24,658 INFO L274 CegarLoopResult]: For program point L286-1(lines 286 290) no Hoare annotation was computed. [2020-10-27 22:13:24,658 INFO L274 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-10-27 22:13:24,658 INFO L274 CegarLoopResult]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2020-10-27 22:13:24,658 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2020-10-27 22:13:24,658 INFO L274 CegarLoopResult]: For program point L306(lines 279 307) no Hoare annotation was computed. [2020-10-27 22:13:24,659 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2020-10-27 22:13:24,659 INFO L274 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-10-27 22:13:24,659 INFO L274 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-10-27 22:13:24,659 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2020-10-27 22:13:24,659 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 919 925) the Hoare annotation is: true [2020-10-27 22:13:24,659 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 919 925) no Hoare annotation was computed. [2020-10-27 22:13:24,659 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 926 934) no Hoare annotation was computed. [2020-10-27 22:13:24,659 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 926 934) the Hoare annotation is: true [2020-10-27 22:13:24,659 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 926 934) no Hoare annotation was computed. [2020-10-27 22:13:24,659 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:24,660 INFO L270 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:24,660 INFO L270 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:24,660 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:24,660 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-27 22:13:24,660 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-27 22:13:24,660 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:24,660 INFO L270 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 22:13:24,661 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-27 22:13:24,662 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-10-27 22:13:24,663 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-10-27 22:13:24,664 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 912 918) no Hoare annotation was computed. [2020-10-27 22:13:24,664 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 912 918) the Hoare annotation is: true [2020-10-27 22:13:24,664 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2020-10-27 22:13:24,664 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2020-10-27 22:13:24,664 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 152 197) no Hoare annotation was computed. [2020-10-27 22:13:24,664 INFO L274 CegarLoopResult]: For program point L479(lines 479 499) no Hoare annotation was computed. [2020-10-27 22:13:24,664 INFO L274 CegarLoopResult]: For program point L479-1(lines 479 499) no Hoare annotation was computed. [2020-10-27 22:13:24,664 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 465 510) no Hoare annotation was computed. [2020-10-27 22:13:24,664 INFO L274 CegarLoopResult]: For program point L496(lines 496 497) no Hoare annotation was computed. [2020-10-27 22:13:24,665 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 489 490) no Hoare annotation was computed. [2020-10-27 22:13:24,665 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 496 497) no Hoare annotation was computed. [2020-10-27 22:13:24,665 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2020-10-27 22:13:24,665 INFO L274 CegarLoopResult]: For program point L489(lines 489 490) no Hoare annotation was computed. [2020-10-27 22:13:24,665 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2020-10-27 22:13:24,665 INFO L274 CegarLoopResult]: For program point L485(lines 485 492) no Hoare annotation was computed. [2020-10-27 22:13:24,665 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:24,665 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2020-10-27 22:13:24,665 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2020-10-27 22:13:24,666 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-10-27 22:13:24,666 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-10-27 22:13:24,666 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-10-27 22:13:24,666 INFO L277 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-10-27 22:13:24,666 INFO L274 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-10-27 22:13:24,666 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:24,666 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-10-27 22:13:24,666 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-10-27 22:13:24,666 INFO L274 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-10-27 22:13:24,666 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 843 856) no Hoare annotation was computed. [2020-10-27 22:13:24,667 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 843 856) the Hoare annotation is: true [2020-10-27 22:13:24,667 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 843 856) no Hoare annotation was computed. [2020-10-27 22:13:24,667 INFO L270 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-10-27 22:13:24,667 INFO L274 CegarLoopResult]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2020-10-27 22:13:24,667 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2020-10-27 22:13:24,667 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-27 22:13:24,667 INFO L270 CegarLoopResult]: At program point L595(line 595) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse1) (or .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1))) [2020-10-27 22:13:24,668 INFO L270 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5)) .cse0))) [2020-10-27 22:13:24,668 INFO L274 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-10-27 22:13:24,668 INFO L270 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 22:13:24,668 INFO L274 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-10-27 22:13:24,668 INFO L274 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-10-27 22:13:24,668 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 547 553) no Hoare annotation was computed. [2020-10-27 22:13:24,668 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 547 553) the Hoare annotation is: true [2020-10-27 22:13:24,668 INFO L270 CegarLoopResult]: At program point testENTRY(lines 698 761) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:24,669 INFO L274 CegarLoopResult]: For program point testFINAL(lines 698 761) no Hoare annotation was computed. [2020-10-27 22:13:24,669 INFO L270 CegarLoopResult]: At program point L754(lines 707 755) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 22:13:24,669 INFO L274 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-10-27 22:13:24,669 INFO L270 CegarLoopResult]: At program point L744-2(lines 738 749) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and .cse0 (= ~pumpRunning~0 0)))) [2020-10-27 22:13:24,669 INFO L274 CegarLoopResult]: For program point L709(lines 708 753) no Hoare annotation was computed. [2020-10-27 22:13:24,669 INFO L274 CegarLoopResult]: For program point L738(lines 738 749) no Hoare annotation was computed. [2020-10-27 22:13:24,669 INFO L270 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and .cse0 (= ~pumpRunning~0 0)))) [2020-10-27 22:13:24,669 INFO L274 CegarLoopResult]: For program point L728(lines 728 734) no Hoare annotation was computed. [2020-10-27 22:13:24,669 INFO L274 CegarLoopResult]: For program point L728-1(lines 728 734) no Hoare annotation was computed. [2020-10-27 22:13:24,670 INFO L270 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-27 22:13:24,670 INFO L270 CegarLoopResult]: At program point L751(lines 708 753) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-27 22:13:24,670 INFO L274 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-10-27 22:13:24,670 INFO L274 CegarLoopResult]: For program point L718-1(lines 718 724) no Hoare annotation was computed. [2020-10-27 22:13:24,670 INFO L274 CegarLoopResult]: For program point L710(lines 710 714) no Hoare annotation was computed. [2020-10-27 22:13:24,670 INFO L274 CegarLoopResult]: For program point testEXIT(lines 698 761) no Hoare annotation was computed. [2020-10-27 22:13:24,670 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 443 444) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 450 451) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point L443(lines 443 444) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point L439(lines 439 446) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point L433(lines 433 453) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 419 464) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point L433-1(lines 433 453) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point L450(lines 450 451) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point L819-2(lines 819 827) no Hoare annotation was computed. [2020-10-27 22:13:24,671 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 811 833) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 811 833) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 811 833) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point L819(lines 819 827) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point L345(lines 345 361) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point L405(lines 405 412) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point L366(lines 365 385) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point L397-1(line 397) no Hoare annotation was computed. [2020-10-27 22:13:24,672 INFO L274 CegarLoopResult]: For program point L362(lines 362 403) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point L381-1(line 381) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point L340(lines 340 344) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point L386(lines 364 387) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 902 911) no Hoare annotation was computed. [2020-10-27 22:13:24,673 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 902 911) no Hoare annotation was computed. [2020-10-27 22:13:24,674 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 902 911) no Hoare annotation was computed. [2020-10-27 22:13:24,674 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:24,674 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 22:13:24,674 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:24,674 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2020-10-27 22:13:24,674 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2020-10-27 22:13:24,675 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 22:13:24,675 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-10-27 22:13:24,675 INFO L274 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-10-27 22:13:24,675 INFO L277 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-10-27 22:13:24,675 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-10-27 22:13:24,675 INFO L274 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-10-27 22:13:24,675 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-10-27 22:13:24,675 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-10-27 22:13:24,675 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 834 842) the Hoare annotation is: true [2020-10-27 22:13:24,675 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 834 842) no Hoare annotation was computed. [2020-10-27 22:13:24,675 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 834 842) no Hoare annotation was computed. [2020-10-27 22:13:24,676 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 790 801) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-10-27 22:13:24,676 INFO L274 CegarLoopResult]: For program point L794-1(lines 790 801) no Hoare annotation was computed. [2020-10-27 22:13:24,676 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 790 801) no Hoare annotation was computed. [2020-10-27 22:13:24,676 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:24,676 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 22:13:24,676 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:24,676 INFO L270 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse2 .cse0 .cse1) (or (<= ~waterLevel~0 1) .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-27 22:13:24,677 INFO L270 CegarLoopResult]: At program point L534(lines 534 540) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse7 (not .cse6) (= ~pumpRunning~0 0))) (.cse3 (not .cse7))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ~pumpRunning~0) .cse1) .cse3 (not (= |old(~pumpRunning~0)| 0)))) (or .cse0 .cse4 (not (<= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3)))) [2020-10-27 22:13:24,677 INFO L270 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 22:13:24,677 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 523 546) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 22:13:24,677 INFO L274 CegarLoopResult]: For program point L527(lines 526 545) no Hoare annotation was computed. [2020-10-27 22:13:24,677 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 523 546) no Hoare annotation was computed. [2020-10-27 22:13:24,677 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 523 546) no Hoare annotation was computed. [2020-10-27 22:13:24,677 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 22:13:24,677 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-27 22:13:24,678 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-27 22:13:24,678 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-27 22:13:24,678 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-27 22:13:24,678 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-27 22:13:24,678 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-27 22:13:24,678 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-27 22:13:24,678 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-27 22:13:24,678 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-27 22:13:24,678 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 802 810) the Hoare annotation is: true [2020-10-27 22:13:24,678 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 802 810) no Hoare annotation was computed. [2020-10-27 22:13:24,678 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 802 810) no Hoare annotation was computed. [2020-10-27 22:13:24,679 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 867 899) no Hoare annotation was computed. [2020-10-27 22:13:24,679 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or .cse1 (= ~methaneLevelCritical~0 0) .cse0) (or .cse1 .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-27 22:13:24,679 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 867 899) the Hoare annotation is: true [2020-10-27 22:13:24,679 INFO L274 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-10-27 22:13:24,679 INFO L270 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or .cse0 .cse2 .cse4))) [2020-10-27 22:13:24,679 INFO L274 CegarLoopResult]: For program point L884-1(line 884) no Hoare annotation was computed. [2020-10-27 22:13:24,679 INFO L274 CegarLoopResult]: For program point L882(lines 882 895) no Hoare annotation was computed. [2020-10-27 22:13:24,679 INFO L274 CegarLoopResult]: For program point L882-1(lines 867 899) no Hoare annotation was computed. [2020-10-27 22:13:24,679 INFO L270 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-10-27 22:13:24,680 INFO L274 CegarLoopResult]: For program point L880-1(line 880) no Hoare annotation was computed. [2020-10-27 22:13:24,680 INFO L274 CegarLoopResult]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-10-27 22:13:24,680 INFO L277 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: true [2020-10-27 22:13:24,680 INFO L274 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-10-27 22:13:24,680 INFO L274 CegarLoopResult]: For program point L770-1(lines 766 777) no Hoare annotation was computed. [2020-10-27 22:13:24,680 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 766 777) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:24,680 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 766 777) no Hoare annotation was computed. [2020-10-27 22:13:24,680 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-27 22:13:24,680 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-27 22:13:24,680 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:24,681 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-27 22:13:24,681 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:13:24,681 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:24,681 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-27 22:13:24,681 INFO L270 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 22:13:24,681 INFO L274 CegarLoopResult]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2020-10-27 22:13:24,681 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2020-10-27 22:13:24,681 INFO L270 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2020-10-27 22:13:24,682 INFO L270 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse1) (and (<= ~waterLevel~0 1) .cse1))))) [2020-10-27 22:13:24,682 INFO L274 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-10-27 22:13:24,682 INFO L270 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-10-27 22:13:24,682 INFO L274 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-10-27 22:13:24,682 INFO L274 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-10-27 22:13:24,682 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 778 789) no Hoare annotation was computed. [2020-10-27 22:13:24,682 INFO L274 CegarLoopResult]: For program point L782-1(lines 778 789) no Hoare annotation was computed. [2020-10-27 22:13:24,682 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 778 789) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 1)) .cse2) (or .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse2))) [2020-10-27 22:13:24,683 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 858 865) no Hoare annotation was computed. [2020-10-27 22:13:24,683 INFO L274 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-10-27 22:13:24,683 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 858 865) the Hoare annotation is: true [2020-10-27 22:13:24,683 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 858 865) no Hoare annotation was computed. [2020-10-27 22:13:24,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:13:24 BoogieIcfgContainer [2020-10-27 22:13:24,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:13:24,705 INFO L168 Benchmark]: Toolchain (without parser) took 105924.27 ms. Allocated memory was 151.0 MB in the beginning and 707.8 MB in the end (delta: 556.8 MB). Free memory was 124.8 MB in the beginning and 417.1 MB in the end (delta: -292.3 MB). Peak memory consumption was 440.3 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:24,706 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:13:24,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 103.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:24,707 INFO L168 Benchmark]: Boogie Preprocessor took 120.55 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:24,708 INFO L168 Benchmark]: RCFGBuilder took 1312.96 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 99.4 MB in the beginning and 159.2 MB in the end (delta: -59.8 MB). Peak memory consumption was 54.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:24,708 INFO L168 Benchmark]: TraceAbstraction took 103800.62 ms. Allocated memory was 181.4 MB in the beginning and 707.8 MB in the end (delta: 526.4 MB). Free memory was 158.7 MB in the beginning and 417.1 MB in the end (delta: -258.5 MB). Peak memory consumption was 442.5 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:24,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 676.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 103.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 120.55 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1312.96 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 99.4 MB in the beginning and 159.2 MB in the end (delta: -59.8 MB). Peak memory consumption was 54.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 103800.62 ms. Allocated memory was 181.4 MB in the beginning and 707.8 MB in the end (delta: 526.4 MB). Free memory was 158.7 MB in the beginning and 417.1 MB in the end (delta: -258.5 MB). Peak memory consumption was 442.5 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: 450]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 443]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 489]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 496]: 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: 708]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) == 1) || ((waterLevel <= 1 && splverifierCounter <= 0) && pumpRunning == 0)) || (1 <= pumpRunning && splverifierCounter <= 0)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((splverifierCounter <= 0 && !(methaneLevelCritical == 0)) && pumpRunning == 0) - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 70.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 40.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 33.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1256 SDtfs, 2178 SDslu, 1350 SDs, 0 SdLazy, 6583 SolverSat, 1399 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 20.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 356 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1528 PreInvPairs, 1668 NumberOfFragments, 1245 HoareAnnotationTreeSize, 1528 FomulaSimplifications, 13002650 FormulaSimplificationTreeSizeReduction, 6.7s HoareSimplificationTime, 60 FomulaSimplificationsInter, 118512 FormulaSimplificationTreeSizeReductionInter, 26.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 257142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 29/30 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...