/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:28:49,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:28:49,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:28:49,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:28:49,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:28:49,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:28:49,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:28:49,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:28:49,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:28:49,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:28:49,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:28:49,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:28:49,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:28:49,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:28:49,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:28:49,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:28:49,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:28:49,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:28:49,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:28:49,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:28:49,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:28:49,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:28:49,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:28:49,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:28:49,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:28:49,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:28:49,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:28:49,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:28:49,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:28:49,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:28:49,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:28:49,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:28:49,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:28:49,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:28:49,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:28:49,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:28:49,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:28:49,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:28:49,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:28:49,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:28:49,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:28:49,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 11:28:49,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:28:49,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:28:49,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:28:49,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:28:49,715 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:28:49,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:28:49,716 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:28:49,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:28:49,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:28:49,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:28:49,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:28:49,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:28:49,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:28:49,718 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:28:49,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:28:49,718 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:28:49,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:28:49,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:28:49,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:28:49,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:28:49,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:28:49,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:28:49,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:28:49,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:28:49,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:28:49,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:28:49,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:28:49,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:28:49,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:28:49,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:28:50,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:28:50,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:28:50,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:28:50,213 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:28:50,216 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:28:50,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-10-29 11:28:50,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1169caa18/96f534c8756e4535a48b0a0c53496deb/FLAG0468dd1e9 [2020-10-29 11:28:51,091 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:28:51,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-10-29 11:28:51,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1169caa18/96f534c8756e4535a48b0a0c53496deb/FLAG0468dd1e9 [2020-10-29 11:28:51,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1169caa18/96f534c8756e4535a48b0a0c53496deb [2020-10-29 11:28:51,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:28:51,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:28:51,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:28:51,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:28:51,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:28:51,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:28:51" (1/1) ... [2020-10-29 11:28:51,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d3a820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:51, skipping insertion in model container [2020-10-29 11:28:51,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:28:51" (1/1) ... [2020-10-29 11:28:51,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:28:51,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:28:51,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:28:51,895 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:28:52,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:28:52,080 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:28:52,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52 WrapperNode [2020-10-29 11:28:52,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:28:52,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:28:52,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:28:52,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:28:52,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52" (1/1) ... [2020-10-29 11:28:52,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52" (1/1) ... [2020-10-29 11:28:52,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52" (1/1) ... [2020-10-29 11:28:52,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52" (1/1) ... [2020-10-29 11:28:52,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52" (1/1) ... [2020-10-29 11:28:52,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52" (1/1) ... [2020-10-29 11:28:52,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52" (1/1) ... [2020-10-29 11:28:52,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:28:52,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:28:52,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:28:52,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:28:52,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:28:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:28:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:28:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:28:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:28:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:28:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:28:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:28:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:28:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:28:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:28:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:28:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:28:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:28:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:28:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:28:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:28:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:28:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:28:52,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:28:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:28:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:28:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:28:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:28:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:28:52,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:28:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:28:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:28:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:28:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:28:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-29 11:28:52,300 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:28:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:28:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:28:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:28:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:28:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-29 11:28:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-29 11:28:52,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:28:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:28:52,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:28:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:28:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:28:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:28:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:28:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:28:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:28:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:28:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:28:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:28:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:28:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:28:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:28:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:28:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:28:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:28:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:28:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:28:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:28:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:28:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:28:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:28:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:28:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:28:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:28:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:28:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:28:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:28:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:28:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:28:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:28:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:28:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:28:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:28:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:28:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:28:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:28:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:28:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:28:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:28:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:28:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:28:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:28:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:28:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:28:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-29 11:28:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-29 11:28:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:28:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:28:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:28:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:28:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-29 11:28:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:28:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:28:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:28:53,549 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:28:53,549 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:28:53,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:28:53 BoogieIcfgContainer [2020-10-29 11:28:53,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:28:53,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:28:53,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:28:53,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:28:53,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:28:51" (1/3) ... [2020-10-29 11:28:53,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d76ebe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:28:53, skipping insertion in model container [2020-10-29 11:28:53,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:52" (2/3) ... [2020-10-29 11:28:53,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d76ebe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:28:53, skipping insertion in model container [2020-10-29 11:28:53,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:28:53" (3/3) ... [2020-10-29 11:28:53,561 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-10-29 11:28:53,573 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:28:53,597 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:28:53,614 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:28:53,644 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:28:53,644 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:28:53,645 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:28:53,645 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:28:53,645 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:28:53,645 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:28:53,645 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:28:53,646 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:28:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-29 11:28:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-29 11:28:53,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:53,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:28:53,693 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:28:53,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:53,707 INFO L82 PathProgramCache]: Analyzing trace with hash -534404706, now seen corresponding path program 1 times [2020-10-29 11:28:53,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:53,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328887477] [2020-10-29 11:28:53,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:54,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:54,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:54,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:56,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:56,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:59,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:59,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 11:28:59,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:28:59,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-29 11:28:59,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:59,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:59,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:28:59,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:59,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 11:28:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-29 11:28:59,588 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:59,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:59,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:59,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:59,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:59,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:59,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-29 11:28:59,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:59,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:59,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:28:59,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:59,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:59,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:59,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:59,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:59,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:59,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:59,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:59,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:59,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:59,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:59,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:59,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:59,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:59,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:59,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:59,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:59,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:59,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:59,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:59,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:59,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:59,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:59,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:59,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:59,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:59,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:59,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:59,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:59,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:59,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:59,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:59,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:59,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:59,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:59,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:59,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:59,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:28:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:59,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:59,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:59,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:59,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:59,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:59,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:59,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:59,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:59,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:59,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:59,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:28:59,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:28:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:59,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:59,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:59,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:59,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:59,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:59,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:59,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:59,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:59,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:59,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:59,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:59,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 11:28:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:59,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:59,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:59,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:59,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:59,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:59,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:59,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:59,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:59,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:28:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:28:59,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328887477] [2020-10-29 11:28:59,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:28:59,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 11:28:59,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257590321] [2020-10-29 11:28:59,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 11:28:59,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:59,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 11:28:59,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:28:59,953 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 5 states. [2020-10-29 11:29:00,530 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:29:02,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:29:02,939 INFO L93 Difference]: Finished difference Result 373 states and 500 transitions. [2020-10-29 11:29:02,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 11:29:02,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-29 11:29:02,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:29:02,975 INFO L225 Difference]: With dead ends: 373 [2020-10-29 11:29:02,976 INFO L226 Difference]: Without dead ends: 245 [2020-10-29 11:29:02,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:29:03,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-29 11:29:03,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 191. [2020-10-29 11:29:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-29 11:29:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 232 transitions. [2020-10-29 11:29:03,179 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 232 transitions. Word has length 52 [2020-10-29 11:29:03,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:29:03,180 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 232 transitions. [2020-10-29 11:29:03,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 11:29:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 232 transitions. [2020-10-29 11:29:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 11:29:03,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:29:03,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:29:03,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:29:03,185 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:29:03,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:29:03,186 INFO L82 PathProgramCache]: Analyzing trace with hash 662067064, now seen corresponding path program 1 times [2020-10-29 11:29:03,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:29:03,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396667102] [2020-10-29 11:29:03,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:29:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:03,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:03,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:04,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:04,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:29:08,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:29:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 11:29:08,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:29:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:29:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 11:29:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:29:08,660 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:29:08,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:29:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:08,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-29 11:29:08,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:29:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:29:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:08,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:08,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:08,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:29:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:08,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:08,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:08,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:29:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:08,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:29:08,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:08,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:29:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:08,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:08,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:08,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:29:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:08,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:29:08,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:08,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:29:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:29:08,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:29:08,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:29:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:29:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:08,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:08,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:08,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:29:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:08,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:29:08,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:29:08,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:08,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 11:29:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:08,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:08,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:08,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:08,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:08,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:08,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:29:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:29:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:29:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:08,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:29:08,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396667102] [2020-10-29 11:29:08,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:29:08,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:29:08,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807037938] [2020-10-29 11:29:08,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:29:08,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:29:08,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:29:08,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:29:08,909 INFO L87 Difference]: Start difference. First operand 191 states and 232 transitions. Second operand 9 states. [2020-10-29 11:29:09,474 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:29:11,223 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-29 11:29:12,167 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:29:12,591 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:29:13,041 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:29:14,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:29:14,546 INFO L93 Difference]: Finished difference Result 673 states and 950 transitions. [2020-10-29 11:29:14,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 11:29:14,547 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-29 11:29:14,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:29:14,556 INFO L225 Difference]: With dead ends: 673 [2020-10-29 11:29:14,556 INFO L226 Difference]: Without dead ends: 477 [2020-10-29 11:29:14,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:29:14,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-10-29 11:29:14,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 318. [2020-10-29 11:29:14,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-29 11:29:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 389 transitions. [2020-10-29 11:29:14,689 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 389 transitions. Word has length 61 [2020-10-29 11:29:14,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:29:14,689 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 389 transitions. [2020-10-29 11:29:14,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:29:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 389 transitions. [2020-10-29 11:29:14,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-29 11:29:14,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:29:14,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:29:14,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:29:14,694 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:29:14,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:29:14,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1376918883, now seen corresponding path program 1 times [2020-10-29 11:29:14,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:29:14,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458404100] [2020-10-29 11:29:14,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:29:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:14,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:14,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:15,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:15,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:19,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:19,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 11:29:19,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:29:19,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4748 [2020-10-29 11:29:19,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:19,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:19,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:29:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:29:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 11:29:19,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:19,910 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:29:19,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:29:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:19,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:20,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:20,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 11:29:20,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:29:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:29:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:20,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:20,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:20,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:20,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:29:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:20,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:20,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:20,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:29:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:20,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:20,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:20,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:29:20,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:29:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:20,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:29:20,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:20,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:29:20,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:29:20,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:29:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:20,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:20,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:20,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:29:20,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:20,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:29:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:20,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:20,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:29:20,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:20,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 11:29:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:20,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:29:20,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:29:20,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:29:20,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:29:20,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:29:20,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:29:20,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 11:29:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:20,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:20,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:20,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:29:20,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:29:20,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:20,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:20,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 11:29:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:29:20,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:29:20,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:29:20,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:29:20,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:29:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:29:20,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:29:20,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:29:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:29:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:29:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:29:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:29:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:29:20,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458404100] [2020-10-29 11:29:20,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:29:20,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 11:29:20,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058363473] [2020-10-29 11:29:20,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:29:20,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:29:20,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:29:20,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:29:20,179 INFO L87 Difference]: Start difference. First operand 318 states and 389 transitions. Second operand 11 states. [2020-10-29 11:29:20,767 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:29:22,148 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:29:22,577 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:29:23,000 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:29:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:29:23,847 INFO L93 Difference]: Finished difference Result 645 states and 881 transitions. [2020-10-29 11:29:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:29:23,848 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2020-10-29 11:29:23,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:29:23,849 INFO L225 Difference]: With dead ends: 645 [2020-10-29 11:29:23,849 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:29:23,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2020-10-29 11:29:23,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:29:23,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:29:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:29:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:29:23,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-10-29 11:29:23,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:29:23,853 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:29:23,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:29:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:29:23,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:29:23,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:29:23,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:29:24,039 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-10-29 11:29:24,146 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-29 11:29:24,261 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-29 11:29:29,107 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 20 [2020-10-29 11:29:29,648 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 7 [2020-10-29 11:29:29,980 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-29 11:29:30,296 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-29 11:29:30,586 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-29 11:29:31,185 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 8 [2020-10-29 11:29:31,539 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:29:32,430 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-10-29 11:29:32,732 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:29:33,327 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2020-10-29 11:29:34,003 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 8 [2020-10-29 11:29:34,330 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-29 11:29:35,185 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-10-29 11:29:35,507 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-29 11:29:36,103 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-29 11:29:36,727 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-10-29 11:29:37,041 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-29 11:29:37,615 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 8 [2020-10-29 11:29:37,941 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-10-29 11:29:38,245 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-29 11:29:38,555 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-29 11:29:39,135 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 7 [2020-10-29 11:29:39,436 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-29 11:29:39,750 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-29 11:29:40,636 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-10-29 11:29:41,230 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 11 [2020-10-29 11:29:41,847 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 18 [2020-10-29 11:29:42,431 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 8 [2020-10-29 11:29:42,435 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:29:42,435 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:29:42,435 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:29:42,436 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:29:42,436 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 11:29:42,436 INFO L274 CegarLoopResult]: For program point L157-2(lines 157 178) no Hoare annotation was computed. [2020-10-29 11:29:42,436 INFO L274 CegarLoopResult]: For program point L179(lines 156 180) no Hoare annotation was computed. [2020-10-29 11:29:42,436 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 132 187) no Hoare annotation was computed. [2020-10-29 11:29:42,436 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 132 187) no Hoare annotation was computed. [2020-10-29 11:29:42,436 INFO L274 CegarLoopResult]: For program point L163(lines 163 167) no Hoare annotation was computed. [2020-10-29 11:29:42,436 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 132 187) no Hoare annotation was computed. [2020-10-29 11:29:42,436 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point L220(lines 220 224) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 188 247) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point L214-2(lines 214 239) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point L240(lines 213 241) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 188 247) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 188 247) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L274 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-10-29 11:29:42,437 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-10-29 11:29:42,438 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-29 11:29:42,438 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-10-29 11:29:42,438 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-10-29 11:29:42,438 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-10-29 11:29:42,439 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 618 640) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:29:42,439 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 618 640) no Hoare annotation was computed. [2020-10-29 11:29:42,439 INFO L270 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:29:42,439 INFO L270 CegarLoopResult]: At program point L630-1(line 630) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:29:42,439 INFO L274 CegarLoopResult]: For program point L628(lines 628 635) no Hoare annotation was computed. [2020-10-29 11:29:42,440 INFO L274 CegarLoopResult]: For program point L628-1(lines 628 635) no Hoare annotation was computed. [2020-10-29 11:29:42,440 INFO L274 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-10-29 11:29:42,440 INFO L270 CegarLoopResult]: At program point L625(line 625) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:29:42,440 INFO L270 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:29:42,440 INFO L270 CegarLoopResult]: At program point L624-1(line 624) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:29:42,440 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 618 640) no Hoare annotation was computed. [2020-10-29 11:29:42,441 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 574 597) no Hoare annotation was computed. [2020-10-29 11:29:42,441 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 574 597) no Hoare annotation was computed. [2020-10-29 11:29:42,441 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 574 597) no Hoare annotation was computed. [2020-10-29 11:29:42,441 INFO L274 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-29 11:29:42,441 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-29 11:29:42,441 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-29 11:29:42,441 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 11:29:42,441 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-29 11:29:42,441 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 675 681) no Hoare annotation was computed. [2020-10-29 11:29:42,442 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 675 681) the Hoare annotation is: true [2020-10-29 11:29:42,442 INFO L274 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-10-29 11:29:42,443 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 797 811) no Hoare annotation was computed. [2020-10-29 11:29:42,443 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 797 811) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:29:42,443 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 797 811) no Hoare annotation was computed. [2020-10-29 11:29:42,443 INFO L270 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-29 11:29:42,443 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 708 715) no Hoare annotation was computed. [2020-10-29 11:29:42,443 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 708 715) no Hoare annotation was computed. [2020-10-29 11:29:42,443 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 708 715) no Hoare annotation was computed. [2020-10-29 11:29:42,443 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 752 760) no Hoare annotation was computed. [2020-10-29 11:29:42,443 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 752 760) the Hoare annotation is: true [2020-10-29 11:29:42,443 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 752 760) no Hoare annotation was computed. [2020-10-29 11:29:42,443 INFO L274 CegarLoopResult]: For program point L768(lines 768 776) no Hoare annotation was computed. [2020-10-29 11:29:42,443 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 761 796) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point L780(lines 780 788) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point L780-2(lines 780 788) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 761 796) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 761 796) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 86 131) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 86 131) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 86 131) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-10-29 11:29:42,444 INFO L274 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-10-29 11:29:42,445 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 399 444) no Hoare annotation was computed. [2020-10-29 11:29:42,445 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 423 424) no Hoare annotation was computed. [2020-10-29 11:29:42,445 INFO L274 CegarLoopResult]: For program point L430(lines 430 431) no Hoare annotation was computed. [2020-10-29 11:29:42,445 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 430 431) no Hoare annotation was computed. [2020-10-29 11:29:42,445 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 399 444) no Hoare annotation was computed. [2020-10-29 11:29:42,445 INFO L274 CegarLoopResult]: For program point L423(lines 423 424) no Hoare annotation was computed. [2020-10-29 11:29:42,445 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 399 444) no Hoare annotation was computed. [2020-10-29 11:29:42,445 INFO L274 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-10-29 11:29:42,445 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 607 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:29:42,446 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 607 617) no Hoare annotation was computed. [2020-10-29 11:29:42,446 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 607 617) no Hoare annotation was computed. [2020-10-29 11:29:42,446 INFO L270 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:29:42,446 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 741 751) the Hoare annotation is: true [2020-10-29 11:29:42,446 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 741 751) no Hoare annotation was computed. [2020-10-29 11:29:42,446 INFO L277 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: true [2020-10-29 11:29:42,446 INFO L274 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-10-29 11:29:42,446 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 741 751) no Hoare annotation was computed. [2020-10-29 11:29:42,446 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 733 740) the Hoare annotation is: true [2020-10-29 11:29:42,446 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 733 740) no Hoare annotation was computed. [2020-10-29 11:29:42,446 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 733 740) no Hoare annotation was computed. [2020-10-29 11:29:42,447 INFO L270 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:29:42,447 INFO L274 CegarLoopResult]: For program point L702-1(lines 683 707) no Hoare annotation was computed. [2020-10-29 11:29:42,447 INFO L270 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-29 11:29:42,447 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 683 707) no Hoare annotation was computed. [2020-10-29 11:29:42,447 INFO L270 CegarLoopResult]: At program point L693(line 693) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-29 11:29:42,447 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 683 707) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:29:42,447 INFO L274 CegarLoopResult]: For program point L691(lines 691 699) no Hoare annotation was computed. [2020-10-29 11:29:42,447 INFO L270 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-29 11:29:42,447 INFO L274 CegarLoopResult]: For program point L689-1(line 689) no Hoare annotation was computed. [2020-10-29 11:29:42,447 INFO L274 CegarLoopResult]: For program point L687(lines 687 704) no Hoare annotation was computed. [2020-10-29 11:29:42,448 INFO L274 CegarLoopResult]: For program point L832(lines 831 880) no Hoare annotation was computed. [2020-10-29 11:29:42,448 INFO L270 CegarLoopResult]: At program point testENTRY(lines 821 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:29:42,448 INFO L270 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,448 INFO L274 CegarLoopResult]: For program point L861(lines 861 876) no Hoare annotation was computed. [2020-10-29 11:29:42,448 INFO L274 CegarLoopResult]: For program point testFINAL(lines 821 888) no Hoare annotation was computed. [2020-10-29 11:29:42,448 INFO L270 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,448 INFO L274 CegarLoopResult]: For program point L851(lines 851 857) no Hoare annotation was computed. [2020-10-29 11:29:42,449 INFO L274 CegarLoopResult]: For program point L851-1(lines 851 857) no Hoare annotation was computed. [2020-10-29 11:29:42,449 INFO L270 CegarLoopResult]: At program point L878(lines 831 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,449 INFO L270 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,449 INFO L274 CegarLoopResult]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-10-29 11:29:42,449 INFO L274 CegarLoopResult]: For program point L841-1(lines 841 847) no Hoare annotation was computed. [2020-10-29 11:29:42,449 INFO L274 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-10-29 11:29:42,449 INFO L270 CegarLoopResult]: At program point L881(lines 830 882) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,449 INFO L270 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,449 INFO L274 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-10-29 11:29:42,450 INFO L270 CegarLoopResult]: At program point L869-1(lines 861 876) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,450 INFO L274 CegarLoopResult]: For program point testEXIT(lines 821 888) no Hoare annotation was computed. [2020-10-29 11:29:42,450 INFO L274 CegarLoopResult]: For program point L384(lines 384 385) no Hoare annotation was computed. [2020-10-29 11:29:42,450 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 377 378) no Hoare annotation was computed. [2020-10-29 11:29:42,450 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 384 385) no Hoare annotation was computed. [2020-10-29 11:29:42,450 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 353 398) no Hoare annotation was computed. [2020-10-29 11:29:42,450 INFO L274 CegarLoopResult]: For program point L377(lines 377 378) no Hoare annotation was computed. [2020-10-29 11:29:42,450 INFO L274 CegarLoopResult]: For program point L373(lines 373 380) no Hoare annotation was computed. [2020-10-29 11:29:42,451 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 353 398) no Hoare annotation was computed. [2020-10-29 11:29:42,451 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 353 398) no Hoare annotation was computed. [2020-10-29 11:29:42,451 INFO L274 CegarLoopResult]: For program point L367(lines 367 387) no Hoare annotation was computed. [2020-10-29 11:29:42,451 INFO L274 CegarLoopResult]: For program point L367-1(lines 367 387) no Hoare annotation was computed. [2020-10-29 11:29:42,451 INFO L270 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,451 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 899 927) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-29 11:29:42,451 INFO L274 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-10-29 11:29:42,451 INFO L274 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-10-29 11:29:42,452 INFO L270 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-10-29 11:29:42,452 INFO L274 CegarLoopResult]: For program point L909-1(line 909) no Hoare annotation was computed. [2020-10-29 11:29:42,452 INFO L274 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-10-29 11:29:42,452 INFO L274 CegarLoopResult]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2020-10-29 11:29:42,452 INFO L270 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-29 11:29:42,452 INFO L274 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-10-29 11:29:42,452 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 899 927) no Hoare annotation was computed. [2020-10-29 11:29:42,452 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 508 530) no Hoare annotation was computed. [2020-10-29 11:29:42,452 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 508 530) no Hoare annotation was computed. [2020-10-29 11:29:42,452 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 508 530) no Hoare annotation was computed. [2020-10-29 11:29:42,453 INFO L274 CegarLoopResult]: For program point L516(lines 516 524) no Hoare annotation was computed. [2020-10-29 11:29:42,453 INFO L274 CegarLoopResult]: For program point L516-2(lines 516 524) no Hoare annotation was computed. [2020-10-29 11:29:42,453 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 891 898) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-29 11:29:42,453 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 891 898) no Hoare annotation was computed. [2020-10-29 11:29:42,453 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 891 898) no Hoare annotation was computed. [2020-10-29 11:29:42,453 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-10-29 11:29:42,453 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-10-29 11:29:42,453 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-10-29 11:29:42,453 INFO L274 CegarLoopResult]: For program point L320(lines 298 321) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 250 352) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point L279(lines 279 295) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point L339(lines 339 346) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point L300(lines 299 319) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point L296(lines 296 337) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 250 352) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point L315(line 315) no Hoare annotation was computed. [2020-10-29 11:29:42,454 INFO L274 CegarLoopResult]: For program point L315-1(line 315) no Hoare annotation was computed. [2020-10-29 11:29:42,455 INFO L274 CegarLoopResult]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-10-29 11:29:42,455 INFO L274 CegarLoopResult]: For program point L338(lines 338 349) no Hoare annotation was computed. [2020-10-29 11:29:42,455 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 250 352) no Hoare annotation was computed. [2020-10-29 11:29:42,455 INFO L274 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-10-29 11:29:42,455 INFO L274 CegarLoopResult]: For program point L299-2(lines 299 319) no Hoare annotation was computed. [2020-10-29 11:29:42,455 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:29:42,455 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 11:29:42,456 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:29:42,457 INFO L274 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-10-29 11:29:42,457 INFO L274 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-10-29 11:29:42,459 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 716 732) no Hoare annotation was computed. [2020-10-29 11:29:42,459 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 716 732) no Hoare annotation was computed. [2020-10-29 11:29:42,459 INFO L274 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-10-29 11:29:42,459 INFO L274 CegarLoopResult]: For program point L727-1(lines 716 732) no Hoare annotation was computed. [2020-10-29 11:29:42,459 INFO L274 CegarLoopResult]: For program point L723(lines 723 729) no Hoare annotation was computed. [2020-10-29 11:29:42,459 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 531 539) no Hoare annotation was computed. [2020-10-29 11:29:42,459 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 531 539) no Hoare annotation was computed. [2020-10-29 11:29:42,459 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 531 539) no Hoare annotation was computed. [2020-10-29 11:29:42,459 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:29:42,460 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:29:42,460 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:29:42,460 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 487 498) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-29 11:29:42,460 INFO L274 CegarLoopResult]: For program point L491-1(lines 487 498) no Hoare annotation was computed. [2020-10-29 11:29:42,460 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 487 498) no Hoare annotation was computed. [2020-10-29 11:29:42,460 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 499 507) the Hoare annotation is: true [2020-10-29 11:29:42,460 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 499 507) no Hoare annotation was computed. [2020-10-29 11:29:42,460 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 499 507) no Hoare annotation was computed. [2020-10-29 11:29:42,461 INFO L270 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1)))) [2020-10-29 11:29:42,461 INFO L270 CegarLoopResult]: At program point L662(lines 662 668) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-29 11:29:42,462 INFO L270 CegarLoopResult]: At program point L657(line 657) the Hoare annotation is: (and (or (not (= ~methaneLevelCritical~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:29:42,462 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 651 674) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-29 11:29:42,462 INFO L274 CegarLoopResult]: For program point L655(lines 654 673) no Hoare annotation was computed. [2020-10-29 11:29:42,462 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 651 674) no Hoare annotation was computed. [2020-10-29 11:29:42,462 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 651 674) no Hoare annotation was computed. [2020-10-29 11:29:42,463 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 543 572) no Hoare annotation was computed. [2020-10-29 11:29:42,464 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 543 572) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-29 11:29:42,464 INFO L277 CegarLoopResult]: At program point L568(lines 543 572) the Hoare annotation is: true [2020-10-29 11:29:42,464 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-29 11:29:42,465 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-29 11:29:42,465 INFO L270 CegarLoopResult]: At program point L557-1(lines 557 561) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,466 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-29 11:29:42,466 INFO L270 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,466 INFO L270 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-29 11:29:42,466 INFO L274 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-10-29 11:29:42,466 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 463 474) the Hoare annotation is: true [2020-10-29 11:29:42,466 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 463 474) no Hoare annotation was computed. [2020-10-29 11:29:42,466 INFO L274 CegarLoopResult]: For program point L467-1(lines 463 474) no Hoare annotation was computed. [2020-10-29 11:29:42,467 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 598 604) no Hoare annotation was computed. [2020-10-29 11:29:42,467 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 598 604) the Hoare annotation is: true [2020-10-29 11:29:42,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:29:42,467 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-29 11:29:42,467 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:29:42,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:29:42,467 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 812 819) no Hoare annotation was computed. [2020-10-29 11:29:42,467 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 812 819) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-29 11:29:42,468 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 812 819) no Hoare annotation was computed. [2020-10-29 11:29:42,468 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 475 486) no Hoare annotation was computed. [2020-10-29 11:29:42,468 INFO L274 CegarLoopResult]: For program point L479-1(lines 475 486) no Hoare annotation was computed. [2020-10-29 11:29:42,468 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 475 486) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-29 11:29:42,468 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 446 453) no Hoare annotation was computed. [2020-10-29 11:29:42,468 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 446 453) the Hoare annotation is: true [2020-10-29 11:29:42,468 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 446 453) no Hoare annotation was computed. [2020-10-29 11:29:42,468 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-29 11:29:42,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:29:42 BoogieIcfgContainer [2020-10-29 11:29:42,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:29:42,494 INFO L168 Benchmark]: Toolchain (without parser) took 51083.43 ms. Allocated memory was 159.4 MB in the beginning and 607.1 MB in the end (delta: 447.7 MB). Free memory was 133.2 MB in the beginning and 432.1 MB in the end (delta: -298.8 MB). Peak memory consumption was 368.7 MB. Max. memory is 8.0 GB. [2020-10-29 11:29:42,494 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 159.4 MB. Free memory is still 133.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:29:42,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.04 ms. Allocated memory is still 159.4 MB. Free memory was 132.7 MB in the beginning and 111.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-29 11:29:42,496 INFO L168 Benchmark]: Boogie Preprocessor took 118.44 ms. Allocated memory is still 159.4 MB. Free memory was 111.9 MB in the beginning and 108.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:29:42,497 INFO L168 Benchmark]: RCFGBuilder took 1350.19 ms. Allocated memory is still 159.4 MB. Free memory was 108.0 MB in the beginning and 53.8 MB in the end (delta: 54.1 MB). Peak memory consumption was 55.4 MB. Max. memory is 8.0 GB. [2020-10-29 11:29:42,498 INFO L168 Benchmark]: TraceAbstraction took 48937.80 ms. Allocated memory was 159.4 MB in the beginning and 607.1 MB in the end (delta: 447.7 MB). Free memory was 53.3 MB in the beginning and 432.1 MB in the end (delta: -378.7 MB). Peak memory consumption was 288.1 MB. Max. memory is 8.0 GB. [2020-10-29 11:29:42,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 159.4 MB. Free memory is still 133.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 662.04 ms. Allocated memory is still 159.4 MB. Free memory was 132.7 MB in the beginning and 111.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.44 ms. Allocated memory is still 159.4 MB. Free memory was 111.9 MB in the beginning and 108.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1350.19 ms. Allocated memory is still 159.4 MB. Free memory was 108.0 MB in the beginning and 53.8 MB in the end (delta: 54.1 MB). Peak memory consumption was 55.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 48937.80 ms. Allocated memory was 159.4 MB in the beginning and 607.1 MB in the end (delta: 447.7 MB). Free memory was 53.3 MB in the beginning and 432.1 MB in the end (delta: -378.7 MB). Peak memory consumption was 288.1 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: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 377]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 430]: 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: 831]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || pumpRunning == 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || methaneLevelCritical == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 841 SDslu, 459 SDs, 0 SdLazy, 1690 SolverSat, 669 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=318occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 213 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 530 PreInvPairs, 705 NumberOfFragments, 903 HoareAnnotationTreeSize, 530 FomulaSimplifications, 84602 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 56 FomulaSimplificationsInter, 17358 FormulaSimplificationTreeSizeReductionInter, 13.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 60531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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...