/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:06:34,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:06:34,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:06:34,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:06:34,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:06:34,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:06:34,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:06:34,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:06:34,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:06:34,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:06:34,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:06:34,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:06:34,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:06:34,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:06:34,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:06:34,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:06:34,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:06:34,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:06:34,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:06:34,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:06:34,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:06:34,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:06:34,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:06:34,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:06:34,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:06:34,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:06:34,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:06:34,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:06:34,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:06:34,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:06:34,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:06:34,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:06:34,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:06:34,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:06:34,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:06:34,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:06:34,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:06:34,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:06:34,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:06:34,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:06:34,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:06:34,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:06:34,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:06:34,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:06:34,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:06:34,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:06:34,295 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:06:34,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:06:34,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:06:34,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:06:34,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:06:34,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:06:34,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:06:34,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:06:34,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:06:34,298 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:06:34,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:06:34,298 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:06:34,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:06:34,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:06:34,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:06:34,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:06:34,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:06:34,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:06:34,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:06:34,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:06:34,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:06:34,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:06:34,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:06:34,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:06:34,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:06:34,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:06:34,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:06:34,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:06:34,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:06:34,766 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:06:34,767 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:06:34,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2020-10-28 17:06:34,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3cfb26b5c/5347ba63f13340dc8fa9d2e3bed2ed1e/FLAG80f255a17 [2020-10-28 17:06:35,502 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:06:35,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2020-10-28 17:06:35,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3cfb26b5c/5347ba63f13340dc8fa9d2e3bed2ed1e/FLAG80f255a17 [2020-10-28 17:06:35,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3cfb26b5c/5347ba63f13340dc8fa9d2e3bed2ed1e [2020-10-28 17:06:35,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:06:35,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:06:35,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:06:35,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:06:35,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:06:35,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:06:35" (1/1) ... [2020-10-28 17:06:35,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c810220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:35, skipping insertion in model container [2020-10-28 17:06:35,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:06:35" (1/1) ... [2020-10-28 17:06:35,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:06:35,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:06:36,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:06:36,134 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:06:36,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:06:36,325 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:06:36,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36 WrapperNode [2020-10-28 17:06:36,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:06:36,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:06:36,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:06:36,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:06:36,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36" (1/1) ... [2020-10-28 17:06:36,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36" (1/1) ... [2020-10-28 17:06:36,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36" (1/1) ... [2020-10-28 17:06:36,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36" (1/1) ... [2020-10-28 17:06:36,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36" (1/1) ... [2020-10-28 17:06:36,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36" (1/1) ... [2020-10-28 17:06:36,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36" (1/1) ... [2020-10-28 17:06:36,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:06:36,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:06:36,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:06:36,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:06:36,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:06:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:06:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:06:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:06:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:06:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:06:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:06:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:06:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:06:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:06:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:06:36,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:06:36,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:06:36,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:06:36,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:06:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:06:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:06:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:06:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:06:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:06:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:06:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:06:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:06:36,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:06:36,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 17:06:36,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:06:36,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:06:36,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:06:36,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:06:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:06:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:06:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:06:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:06:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:06:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:06:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 17:06:36,538 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:06:36,538 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:06:36,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:06:36,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:06:36,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:06:36,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 17:06:36,539 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 17:06:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:06:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:06:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:06:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:06:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:06:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:06:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:06:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:06:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:06:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:06:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:06:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:06:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:06:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:06:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:06:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:06:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:06:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:06:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:06:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:06:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:06:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:06:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:06:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:06:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:06:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:06:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:06:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:06:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:06:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:06:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:06:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:06:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:06:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:06:36,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:06:36,553 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:06:36,553 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 17:06:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:06:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:06:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:06:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:06:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:06:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:06:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:06:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:06:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 17:06:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:06:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:06:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:06:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:06:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 17:06:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 17:06:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:06:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:06:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:06:36,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:06:37,876 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:06:37,877 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:06:37,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:37 BoogieIcfgContainer [2020-10-28 17:06:37,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:06:37,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:06:37,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:06:37,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:06:37,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:06:35" (1/3) ... [2020-10-28 17:06:37,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de09a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:37, skipping insertion in model container [2020-10-28 17:06:37,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:36" (2/3) ... [2020-10-28 17:06:37,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de09a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:37, skipping insertion in model container [2020-10-28 17:06:37,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:37" (3/3) ... [2020-10-28 17:06:37,889 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2020-10-28 17:06:37,901 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:06:37,906 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:06:37,926 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:06:37,954 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:06:37,954 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:06:37,954 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:06:37,954 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:06:37,955 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:06:37,955 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:06:37,955 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:06:37,955 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:06:37,977 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-10-28 17:06:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:06:37,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:37,988 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:37,989 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:37,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:37,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1381652268, now seen corresponding path program 1 times [2020-10-28 17:06:38,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:38,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984723909] [2020-10-28 17:06:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:38,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:38,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:39,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:39,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:40,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:06:43,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:43,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:06:43,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:06:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:06:43,744 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:43,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:43,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 17:06:43,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:43,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:43,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:43,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:43,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:43,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:43,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:43,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:43,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:43,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:43,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:43,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:43,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:43,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:06:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:43,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:06:43,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:43,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:43,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:43,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:06:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:43,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:43,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:43,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:43,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:43,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:43,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:43,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:43,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:43,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:43,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:43,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:43,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:44,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984723909] [2020-10-28 17:06:44,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:44,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:06:44,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705369681] [2020-10-28 17:06:44,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:06:44,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:44,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:06:44,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:44,032 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-10-28 17:06:45,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:45,296 INFO L93 Difference]: Finished difference Result 273 states and 355 transitions. [2020-10-28 17:06:45,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:06:45,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:06:45,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:45,312 INFO L225 Difference]: With dead ends: 273 [2020-10-28 17:06:45,312 INFO L226 Difference]: Without dead ends: 150 [2020-10-28 17:06:45,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:45,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-28 17:06:45,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 121. [2020-10-28 17:06:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-28 17:06:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2020-10-28 17:06:45,414 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 60 [2020-10-28 17:06:45,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:45,414 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2020-10-28 17:06:45,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:06:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2020-10-28 17:06:45,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 17:06:45,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:45,418 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:45,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:06:45,419 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:45,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:45,420 INFO L82 PathProgramCache]: Analyzing trace with hash 255584208, now seen corresponding path program 1 times [2020-10-28 17:06:45,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:45,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983836341] [2020-10-28 17:06:45,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:45,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:46,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:47,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 17:06:50,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:50,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:06:50,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:50,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:06:50,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:06:50,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:50,842 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:50,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:50,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 17:06:50,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:50,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:50,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:50,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:50,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:50,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:50,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:50,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:50,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:50,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:50,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:50,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:50,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:50,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:50,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:50,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:50,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:06:50,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:06:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:50,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:50,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:50,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:50,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:50,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:50,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:50,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:06:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:50,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:50,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:50,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:50,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:06:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:50,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:50,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:50,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:50,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:50,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:50,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:50,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:50,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:50,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983836341] [2020-10-28 17:06:50,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:50,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:50,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507177237] [2020-10-28 17:06:50,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:50,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:50,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:50,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:50,993 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 5 states. [2020-10-28 17:06:51,637 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:52,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:52,588 INFO L93 Difference]: Finished difference Result 209 states and 255 transitions. [2020-10-28 17:06:52,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:06:52,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 17:06:52,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:52,591 INFO L225 Difference]: With dead ends: 209 [2020-10-28 17:06:52,592 INFO L226 Difference]: Without dead ends: 140 [2020-10-28 17:06:52,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:52,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-28 17:06:52,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 112. [2020-10-28 17:06:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-28 17:06:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-10-28 17:06:52,638 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 61 [2020-10-28 17:06:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:52,639 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-10-28 17:06:52,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-10-28 17:06:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 17:06:52,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:52,641 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:52,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:06:52,642 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:52,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:52,643 INFO L82 PathProgramCache]: Analyzing trace with hash 694510359, now seen corresponding path program 1 times [2020-10-28 17:06:52,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:52,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041565009] [2020-10-28 17:06:52,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:52,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:53,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:54,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:56,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:56,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-28 17:06:56,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4133 [2020-10-28 17:06:56,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:56,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:06:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 17:06:56,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,255 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:57,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:57,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 17:06:57,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:06:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:57,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:57,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:57,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:57,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:57,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:57,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:57,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:57,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:57,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:57,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:57,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:57,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:57,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:57,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:57,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:57,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:06:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:57,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:57,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:06:57,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:57,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:57,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:57,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:57,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:57,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:06:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:57,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:57,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:57,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:06:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:57,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:57,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:57,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:57,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:57,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:57,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:57,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:57,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041565009] [2020-10-28 17:06:57,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:57,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:57,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51956553] [2020-10-28 17:06:57,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:57,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:57,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:57,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:57,492 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 5 states. [2020-10-28 17:06:58,021 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:06:59,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:59,645 INFO L93 Difference]: Finished difference Result 314 states and 388 transitions. [2020-10-28 17:06:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:06:59,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-10-28 17:06:59,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:59,653 INFO L225 Difference]: With dead ends: 314 [2020-10-28 17:06:59,653 INFO L226 Difference]: Without dead ends: 230 [2020-10-28 17:06:59,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:59,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-28 17:06:59,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 189. [2020-10-28 17:06:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-28 17:06:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 226 transitions. [2020-10-28 17:06:59,743 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 226 transitions. Word has length 65 [2020-10-28 17:06:59,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:59,744 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 226 transitions. [2020-10-28 17:06:59,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:59,744 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 226 transitions. [2020-10-28 17:06:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-28 17:06:59,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:59,746 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:59,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:06:59,747 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:59,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:59,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1265428139, now seen corresponding path program 1 times [2020-10-28 17:06:59,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:59,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902894892] [2020-10-28 17:06:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:59,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:00,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:00,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:00,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 17:07:02,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:07:02,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2358 [2020-10-28 17:07:02,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:07:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:07:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:07:02,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,637 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:07:02,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:07:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:02,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 17:07:02,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:07:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:02,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:07:02,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:02,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:07:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:02,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:07:02,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:02,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:07:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:02,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:02,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:02,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:07:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:02,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:07:02,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:02,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:02,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:07:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:02,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:02,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:02,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:02,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:07:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:07:02,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:07:02,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:07:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:07:02,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:07:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:07:02,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:07:02,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:07:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:07:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:07:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:02,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:07:02,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:02,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:02,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:07:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:02,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:07:02,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:07:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:07:02,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 17:07:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:02,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:02,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:02,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:07:02,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:02,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:07:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:02,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:07:02,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:07:02,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902894892] [2020-10-28 17:07:02,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:07:02,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:07:02,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491698388] [2020-10-28 17:07:02,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:07:02,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:07:02,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:07:02,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:07:02,813 INFO L87 Difference]: Start difference. First operand 189 states and 226 transitions. Second operand 9 states. [2020-10-28 17:07:03,435 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:07:04,383 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:07:05,346 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:07:05,743 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 17:07:05,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:07:05,915 INFO L93 Difference]: Finished difference Result 328 states and 420 transitions. [2020-10-28 17:07:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:07:05,916 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-28 17:07:05,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:07:05,917 INFO L225 Difference]: With dead ends: 328 [2020-10-28 17:07:05,918 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:07:05,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:07:05,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:07:05,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:07:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:07:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:07:05,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-10-28 17:07:05,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:07:05,921 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:07:05,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:07:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:07:05,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:07:05,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:07:05,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:07:07,967 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:07:08,284 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:08,588 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:08,856 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:09,131 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:09,421 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:09,821 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:07:10,403 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-10-28 17:07:10,678 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:10,965 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:11,501 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:07:12,059 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:07:12,356 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:12,902 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:07:13,449 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:07:13,762 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:14,055 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:14,342 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-28 17:07:14,636 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:14,930 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:15,223 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:07:15,597 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:07:16,175 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 13 [2020-10-28 17:07:16,196 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:07:16,196 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:07:16,196 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:07:16,196 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:07:16,196 INFO L274 CegarLoopResult]: For program point L215(lines 215 219) no Hoare annotation was computed. [2020-10-28 17:07:16,196 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 184 239) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point L209-2(lines 209 230) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point L231(lines 208 232) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 184 239) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 184 239) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point L285-1(line 285) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 240 299) no Hoare annotation was computed. [2020-10-28 17:07:16,197 INFO L274 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-10-28 17:07:16,198 INFO L274 CegarLoopResult]: For program point L272-1(lines 272 276) no Hoare annotation was computed. [2020-10-28 17:07:16,198 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 240 299) no Hoare annotation was computed. [2020-10-28 17:07:16,198 INFO L274 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-10-28 17:07:16,198 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 240 299) no Hoare annotation was computed. [2020-10-28 17:07:16,198 INFO L274 CegarLoopResult]: For program point L266-2(lines 266 291) no Hoare annotation was computed. [2020-10-28 17:07:16,198 INFO L274 CegarLoopResult]: For program point L292(lines 265 293) no Hoare annotation was computed. [2020-10-28 17:07:16,198 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-10-28 17:07:16,198 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-28 17:07:16,198 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-10-28 17:07:16,199 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-10-28 17:07:16,199 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-10-28 17:07:16,199 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 84 91) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,199 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 84 91) no Hoare annotation was computed. [2020-10-28 17:07:16,199 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 84 91) no Hoare annotation was computed. [2020-10-28 17:07:16,199 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-28 17:07:16,200 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 92 101) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,200 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 92 101) no Hoare annotation was computed. [2020-10-28 17:07:16,200 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 92 101) no Hoare annotation was computed. [2020-10-28 17:07:16,200 INFO L270 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,200 INFO L274 CegarLoopResult]: For program point L115(lines 115 121) no Hoare annotation was computed. [2020-10-28 17:07:16,200 INFO L274 CegarLoopResult]: For program point L114(lines 114 124) no Hoare annotation was computed. [2020-10-28 17:07:16,200 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 102 130) the Hoare annotation is: true [2020-10-28 17:07:16,200 INFO L277 CegarLoopResult]: At program point L112(line 112) the Hoare annotation is: true [2020-10-28 17:07:16,200 INFO L274 CegarLoopResult]: For program point L112-1(line 112) no Hoare annotation was computed. [2020-10-28 17:07:16,200 INFO L274 CegarLoopResult]: For program point L110(lines 110 127) no Hoare annotation was computed. [2020-10-28 17:07:16,201 INFO L274 CegarLoopResult]: For program point L110-1(lines 102 130) no Hoare annotation was computed. [2020-10-28 17:07:16,201 INFO L277 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: true [2020-10-28 17:07:16,201 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 102 130) no Hoare annotation was computed. [2020-10-28 17:07:16,201 INFO L274 CegarLoopResult]: For program point L108-1(line 108) no Hoare annotation was computed. [2020-10-28 17:07:16,201 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 678 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,201 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 678 700) no Hoare annotation was computed. [2020-10-28 17:07:16,201 INFO L270 CegarLoopResult]: At program point L690(line 690) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,201 INFO L270 CegarLoopResult]: At program point L690-1(line 690) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,201 INFO L274 CegarLoopResult]: For program point L688(lines 688 695) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point L688-1(lines 688 695) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point L686(line 686) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L270 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 678 700) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L270 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,202 INFO L270 CegarLoopResult]: At program point L684-1(line 684) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point L641(line 641) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 635 658) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 635 658) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 635 658) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-10-28 17:07:16,202 INFO L274 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L649(line 649) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L648(line 648) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L646(line 646) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L644(line 644) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L643(line 643) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 944 958) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L270 CegarLoopResult]: At program point L950(line 950) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,203 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 944 958) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 944 958) no Hoare annotation was computed. [2020-10-28 17:07:16,203 INFO L274 CegarLoopResult]: For program point L948(lines 948 954) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 880 888) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 880 888) the Hoare annotation is: true [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 880 888) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 925 943) the Hoare annotation is: true [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point L934(lines 934 938) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 925 943) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L277 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: true [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point L934-2(lines 934 938) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 925 943) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-10-28 17:07:16,204 INFO L274 CegarLoopResult]: For program point L919-1(line 919) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 889 924) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point L908(lines 908 916) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point L908-2(lines 908 916) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 889 924) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 889 924) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 138 183) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 138 183) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 138 183) no Hoare annotation was computed. [2020-10-28 17:07:16,205 INFO L274 CegarLoopResult]: For program point L475(lines 475 476) no Hoare annotation was computed. [2020-10-28 17:07:16,206 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 451 496) no Hoare annotation was computed. [2020-10-28 17:07:16,206 INFO L274 CegarLoopResult]: For program point L471(lines 471 478) no Hoare annotation was computed. [2020-10-28 17:07:16,206 INFO L274 CegarLoopResult]: For program point L465(lines 465 485) no Hoare annotation was computed. [2020-10-28 17:07:16,206 INFO L274 CegarLoopResult]: For program point L465-1(lines 465 485) no Hoare annotation was computed. [2020-10-28 17:07:16,206 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 475 476) no Hoare annotation was computed. [2020-10-28 17:07:16,206 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 482 483) no Hoare annotation was computed. [2020-10-28 17:07:16,206 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 451 496) no Hoare annotation was computed. [2020-10-28 17:07:16,206 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 451 496) no Hoare annotation was computed. [2020-10-28 17:07:16,206 INFO L274 CegarLoopResult]: For program point L482(lines 482 483) no Hoare annotation was computed. [2020-10-28 17:07:16,207 INFO L270 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,207 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 667 677) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,207 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 667 677) no Hoare annotation was computed. [2020-10-28 17:07:16,207 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 667 677) no Hoare annotation was computed. [2020-10-28 17:07:16,207 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 869 879) no Hoare annotation was computed. [2020-10-28 17:07:16,207 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 869 879) no Hoare annotation was computed. [2020-10-28 17:07:16,207 INFO L274 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-10-28 17:07:16,207 INFO L274 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-10-28 17:07:16,207 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 869 879) no Hoare annotation was computed. [2020-10-28 17:07:16,207 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 861 868) the Hoare annotation is: true [2020-10-28 17:07:16,208 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 861 868) no Hoare annotation was computed. [2020-10-28 17:07:16,208 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 861 868) no Hoare annotation was computed. [2020-10-28 17:07:16,208 INFO L270 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:07:16,208 INFO L274 CegarLoopResult]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2020-10-28 17:07:16,208 INFO L270 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,208 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 810 834) no Hoare annotation was computed. [2020-10-28 17:07:16,208 INFO L270 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,208 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 810 834) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:07:16,208 INFO L274 CegarLoopResult]: For program point L818(lines 818 826) no Hoare annotation was computed. [2020-10-28 17:07:16,208 INFO L270 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,208 INFO L274 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-10-28 17:07:16,209 INFO L274 CegarLoopResult]: For program point L814(lines 814 831) no Hoare annotation was computed. [2020-10-28 17:07:16,209 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2020-10-28 17:07:16,209 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2020-10-28 17:07:16,209 INFO L270 CegarLoopResult]: At program point testENTRY(lines 703 768) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,209 INFO L270 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,209 INFO L274 CegarLoopResult]: For program point L733(lines 733 739) no Hoare annotation was computed. [2020-10-28 17:07:16,209 INFO L274 CegarLoopResult]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2020-10-28 17:07:16,209 INFO L274 CegarLoopResult]: For program point testFINAL(lines 703 768) no Hoare annotation was computed. [2020-10-28 17:07:16,209 INFO L270 CegarLoopResult]: At program point L758(lines 713 760) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,209 INFO L270 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,210 INFO L274 CegarLoopResult]: For program point L723(lines 723 729) no Hoare annotation was computed. [2020-10-28 17:07:16,210 INFO L274 CegarLoopResult]: For program point L723-1(lines 723 729) no Hoare annotation was computed. [2020-10-28 17:07:16,210 INFO L274 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-10-28 17:07:16,210 INFO L270 CegarLoopResult]: At program point L761(lines 712 762) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,210 INFO L270 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,210 INFO L274 CegarLoopResult]: For program point L749(lines 749 755) no Hoare annotation was computed. [2020-10-28 17:07:16,210 INFO L270 CegarLoopResult]: At program point L749-1(lines 743 756) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,210 INFO L274 CegarLoopResult]: For program point L714(lines 713 760) no Hoare annotation was computed. [2020-10-28 17:07:16,210 INFO L274 CegarLoopResult]: For program point L743(lines 743 756) no Hoare annotation was computed. [2020-10-28 17:07:16,210 INFO L274 CegarLoopResult]: For program point testEXIT(lines 703 768) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 429 430) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 436 437) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 405 450) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 405 450) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point L436(lines 436 437) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 405 450) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point L429(lines 429 430) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point L425(lines 425 432) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point L419(lines 419 439) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point L419-1(lines 419 439) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 835 842) no Hoare annotation was computed. [2020-10-28 17:07:16,211 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 835 842) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 835 842) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 583 591) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 583 591) the Hoare annotation is: true [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 583 591) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point L559(lines 559 567) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point L559-2(lines 559 567) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 551 573) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 551 573) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 551 573) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-10-28 17:07:16,212 INFO L274 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 302 404) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point L351-2(lines 351 371) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point L372(lines 350 373) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point L331(lines 331 347) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point L391(lines 391 398) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 302 404) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point L352(lines 351 371) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point L348(lines 348 389) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 302 404) no Hoare annotation was computed. [2020-10-28 17:07:16,213 INFO L274 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-10-28 17:07:16,214 INFO L274 CegarLoopResult]: For program point L367-1(line 367) no Hoare annotation was computed. [2020-10-28 17:07:16,214 INFO L274 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-10-28 17:07:16,214 INFO L274 CegarLoopResult]: For program point L390(lines 390 401) no Hoare annotation was computed. [2020-10-28 17:07:16,214 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:07:16,214 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.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~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-10-28 17:07:16,214 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:07:16,214 INFO L274 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-10-28 17:07:16,214 INFO L274 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 844 860) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 844 860) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point L855-1(lines 844 860) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point L851(lines 851 857) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 574 582) the Hoare annotation is: true [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 574 582) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 574 582) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:07:16,215 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 530 541) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 17:07:16,216 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 530 541) no Hoare annotation was computed. [2020-10-28 17:07:16,216 INFO L274 CegarLoopResult]: For program point L534-1(lines 530 541) no Hoare annotation was computed. [2020-10-28 17:07:16,216 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 542 550) no Hoare annotation was computed. [2020-10-28 17:07:16,216 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 542 550) no Hoare annotation was computed. [2020-10-28 17:07:16,216 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 542 550) no Hoare annotation was computed. [2020-10-28 17:07:16,216 INFO L270 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,216 INFO L270 CegarLoopResult]: At program point L789(lines 789 795) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,216 INFO L270 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:07:16,216 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 775 801) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:07:16,217 INFO L274 CegarLoopResult]: For program point L782(lines 778 800) no Hoare annotation was computed. [2020-10-28 17:07:16,217 INFO L274 CegarLoopResult]: For program point L780(lines 778 800) no Hoare annotation was computed. [2020-10-28 17:07:16,217 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 775 801) no Hoare annotation was computed. [2020-10-28 17:07:16,217 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 775 801) no Hoare annotation was computed. [2020-10-28 17:07:16,217 INFO L274 CegarLoopResult]: For program point L610-1(line 610) no Hoare annotation was computed. [2020-10-28 17:07:16,217 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 604 633) no Hoare annotation was computed. [2020-10-28 17:07:16,217 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 604 633) the Hoare annotation is: true [2020-10-28 17:07:16,217 INFO L277 CegarLoopResult]: At program point L629(lines 604 633) the Hoare annotation is: true [2020-10-28 17:07:16,217 INFO L274 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-10-28 17:07:16,217 INFO L274 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-10-28 17:07:16,217 INFO L277 CegarLoopResult]: At program point L618-1(lines 618 622) the Hoare annotation is: true [2020-10-28 17:07:16,218 INFO L274 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-10-28 17:07:16,218 INFO L277 CegarLoopResult]: At program point L614-2(lines 614 628) the Hoare annotation is: true [2020-10-28 17:07:16,218 INFO L277 CegarLoopResult]: At program point L610(line 610) the Hoare annotation is: true [2020-10-28 17:07:16,218 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 506 517) the Hoare annotation is: true [2020-10-28 17:07:16,218 INFO L274 CegarLoopResult]: For program point L510-1(lines 506 517) no Hoare annotation was computed. [2020-10-28 17:07:16,218 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 506 517) no Hoare annotation was computed. [2020-10-28 17:07:16,218 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 659 665) no Hoare annotation was computed. [2020-10-28 17:07:16,218 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 659 665) the Hoare annotation is: true [2020-10-28 17:07:16,218 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:07:16,218 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 17:07:16,218 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:07:16,218 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:07:16,218 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 518 529) no Hoare annotation was computed. [2020-10-28 17:07:16,219 INFO L274 CegarLoopResult]: For program point L522-1(lines 518 529) no Hoare annotation was computed. [2020-10-28 17:07:16,219 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 518 529) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:07:16,219 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 593 600) no Hoare annotation was computed. [2020-10-28 17:07:16,219 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 593 600) the Hoare annotation is: true [2020-10-28 17:07:16,219 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-28 17:07:16,219 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 593 600) no Hoare annotation was computed. [2020-10-28 17:07:16,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:07:16 BoogieIcfgContainer [2020-10-28 17:07:16,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:07:16,245 INFO L168 Benchmark]: Toolchain (without parser) took 40497.50 ms. Allocated memory was 151.0 MB in the beginning and 670.0 MB in the end (delta: 519.0 MB). Free memory was 124.5 MB in the beginning and 623.4 MB in the end (delta: -498.8 MB). Peak memory consumption was 400.3 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:16,246 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:07:16,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.35 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 102.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:16,252 INFO L168 Benchmark]: Boogie Preprocessor took 85.78 ms. Allocated memory is still 151.0 MB. Free memory was 102.8 MB in the beginning and 98.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:16,253 INFO L168 Benchmark]: RCFGBuilder took 1465.82 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 98.9 MB in the beginning and 159.6 MB in the end (delta: -60.7 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:16,254 INFO L168 Benchmark]: TraceAbstraction took 38361.18 ms. Allocated memory was 183.5 MB in the beginning and 670.0 MB in the end (delta: 486.5 MB). Free memory was 159.1 MB in the beginning and 623.4 MB in the end (delta: -464.3 MB). Peak memory consumption was 401.4 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:16,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 572.35 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 102.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 85.78 ms. Allocated memory is still 151.0 MB. Free memory was 102.8 MB in the beginning and 98.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1465.82 ms. Allocated memory was 151.0 MB in the beginning and 183.5 MB in the end (delta: 32.5 MB). Free memory was 98.9 MB in the beginning and 159.6 MB in the end (delta: -60.7 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38361.18 ms. Allocated memory was 183.5 MB in the beginning and 670.0 MB in the end (delta: 486.5 MB). Free memory was 159.1 MB in the beginning and 623.4 MB in the end (delta: -464.3 MB). Peak memory consumption was 401.4 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: 436]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 429]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 475]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 482]: 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: 712]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 249 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 423 SDtfs, 526 SDslu, 277 SDs, 0 SdLazy, 947 SolverSat, 324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 98 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 256 PreInvPairs, 286 NumberOfFragments, 818 HoareAnnotationTreeSize, 256 FomulaSimplifications, 13355 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 8584 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 79969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...