/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=SHALLOWEST --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_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:26:39,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:26:39,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:26:40,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:26:40,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:26:40,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:26:40,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:26:40,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:26:40,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:26:40,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:26:40,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:26:40,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:26:40,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:26:40,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:26:40,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:26:40,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:26:40,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:26:40,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:26:40,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:26:40,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:26:40,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:26:40,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:26:40,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:26:40,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:26:40,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:26:40,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:26:40,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:26:40,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:26:40,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:26:40,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:26:40,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:26:40,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:26:40,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:26:40,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:26:40,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:26:40,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:26:40,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:26:40,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:26:40,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:26:40,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:26:40,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:26:40,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:26:40,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:26:40,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:26:40,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:26:40,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:26:40,106 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:26:40,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:26:40,106 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:26:40,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:26:40,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:26:40,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:26:40,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:26:40,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:26:40,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:26:40,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:26:40,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:26:40,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:26:40,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:26:40,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:26:40,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:26:40,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:26:40,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:26:40,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:26:40,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:26:40,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:26:40,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:26:40,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:26:40,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:26:40,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:26:40,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:26:40,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:26:40,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:26:40,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:26:40,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:26:40,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:26:40,500 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:26:40,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-10-27 03:26:40,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fece629b4/e14f5d9b92d44b19afd86767d8823423/FLAG37c335036 [2020-10-27 03:26:41,267 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:26:41,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-10-27 03:26:41,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fece629b4/e14f5d9b92d44b19afd86767d8823423/FLAG37c335036 [2020-10-27 03:26:41,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fece629b4/e14f5d9b92d44b19afd86767d8823423 [2020-10-27 03:26:41,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:26:41,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:26:41,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:26:41,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:26:41,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:26:41,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:26:41" (1/1) ... [2020-10-27 03:26:41,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e160d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:41, skipping insertion in model container [2020-10-27 03:26:41,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:26:41" (1/1) ... [2020-10-27 03:26:41,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:26:41,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:26:41,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:26:41,954 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:26:42,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:26:42,100 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:26:42,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42 WrapperNode [2020-10-27 03:26:42,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:26:42,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:26:42,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:26:42,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:26:42,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42" (1/1) ... [2020-10-27 03:26:42,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42" (1/1) ... [2020-10-27 03:26:42,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42" (1/1) ... [2020-10-27 03:26:42,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42" (1/1) ... [2020-10-27 03:26:42,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42" (1/1) ... [2020-10-27 03:26:42,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42" (1/1) ... [2020-10-27 03:26:42,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42" (1/1) ... [2020-10-27 03:26:42,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:26:42,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:26:42,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:26:42,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:26:42,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:26:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:26:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:26:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:26:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:26:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:26:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:26:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:26:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:26:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:26:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:26:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:26:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:26:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-27 03:26:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 03:26:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:26:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:26:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:26:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:26:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:26:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:26:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:26:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:26:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:26:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:26:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:26:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:26:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:26:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:26:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:26:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:26:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-27 03:26:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:26:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:26:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:26:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:26:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:26:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:26:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:26:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:26:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:26:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:26:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:26:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:26:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:26:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:26:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:26:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:26:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:26:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:26:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-27 03:26:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:26:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:26:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:26:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:26:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:26:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 03:26:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:26:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:26:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:26:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-27 03:26:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:26:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:26:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:26:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:26:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:26:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:26:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:26:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:26:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:26:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:26:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:26:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:26:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:26:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:26:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:26:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:26:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:26:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:26:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:26:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:26:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:26:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:26:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:26:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:26:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:26:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:26:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:26:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:26:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:26:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:26:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:26:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:26:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:26:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:26:43,708 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:26:43,708 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:26:43,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:26:43 BoogieIcfgContainer [2020-10-27 03:26:43,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:26:43,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:26:43,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:26:43,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:26:43,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:26:41" (1/3) ... [2020-10-27 03:26:43,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dafed28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:26:43, skipping insertion in model container [2020-10-27 03:26:43,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:26:42" (2/3) ... [2020-10-27 03:26:43,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dafed28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:26:43, skipping insertion in model container [2020-10-27 03:26:43,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:26:43" (3/3) ... [2020-10-27 03:26:43,719 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2020-10-27 03:26:43,731 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:26:43,736 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:26:43,749 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:26:43,778 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:26:43,778 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:26:43,778 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:26:43,778 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:26:43,779 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:26:43,779 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:26:43,779 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:26:43,779 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:26:43,801 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-10-27 03:26:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 03:26:43,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:26:43,813 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] [2020-10-27 03:26:43,813 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:26:43,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:26:43,820 INFO L82 PathProgramCache]: Analyzing trace with hash -803427364, now seen corresponding path program 1 times [2020-10-27 03:26:43,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:26:43,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109091634] [2020-10-27 03:26:43,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:26:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:44,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:45,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:46,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:46,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:49,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:49,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:26:49,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:26:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 03:26:49,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:26:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:26:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 03:26:49,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-27 03:26:49,907 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:26:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:26:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:49,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:50,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:50,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:50,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 03:26:50,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:26:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:50,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:26:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:50,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:50,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:50,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:26:50,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:50,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:26:50,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:26:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:50,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:26:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:50,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:50,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:50,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:26:50,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:50,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:26:50,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:50,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:50,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:26:50,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:50,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:26:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:50,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:50,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:50,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:50,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:26:50,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:26:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:26:50,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:26:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:50,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:50,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:50,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:26:50,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:50,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:26:50,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:26:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:50,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:26:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:50,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:50,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:50,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:50,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:50,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:26:50,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:50,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:50,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:50,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:26:50,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:26:50,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:26:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:50,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:50,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:50,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:50,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:50,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:26:50,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:50,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:26:50,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:26:50,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:26:50,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:50,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:26:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:50,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:50,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:50,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:50,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:50,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:26:50,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:26:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:26:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:26:50,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:26:50,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:26:50,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109091634] [2020-10-27 03:26:50,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:26:50,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 03:26:50,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968163392] [2020-10-27 03:26:50,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 03:26:50,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:26:50,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 03:26:50,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:26:50,257 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 5 states. [2020-10-27 03:26:51,123 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:26:53,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:26:53,103 INFO L93 Difference]: Finished difference Result 261 states and 342 transitions. [2020-10-27 03:26:53,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 03:26:53,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-27 03:26:53,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:26:53,118 INFO L225 Difference]: With dead ends: 261 [2020-10-27 03:26:53,118 INFO L226 Difference]: Without dead ends: 145 [2020-10-27 03:26:53,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:26:53,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-27 03:26:53,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2020-10-27 03:26:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-27 03:26:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-10-27 03:26:53,217 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 52 [2020-10-27 03:26:53,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:26:53,217 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-10-27 03:26:53,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 03:26:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-10-27 03:26:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 03:26:53,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:26:53,221 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] [2020-10-27 03:26:53,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:26:53,222 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:26:53,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:26:53,222 INFO L82 PathProgramCache]: Analyzing trace with hash 93386737, now seen corresponding path program 1 times [2020-10-27 03:26:53,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:26:53,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416520706] [2020-10-27 03:26:53,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:26:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:53,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:53,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:54,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:58,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:58,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 03:26:58,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:26:58,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 03:26:58,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:26:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:26:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 03:26:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:58,961 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:26:58,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:26:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:58,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:59,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 03:26:59,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:26:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:59,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:26:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:59,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:26:59,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:26:59,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:59,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:59,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:26:59,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:59,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:26:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:59,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:26:59,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:26:59,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:26:59,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:59,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:26:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:59,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:59,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:26:59,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:26:59,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:59,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:26:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:59,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:26:59,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:26:59,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:59,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:59,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:26:59,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:59,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:26:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:59,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:59,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:26:59,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:26:59,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:59,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:26:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:59,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:26:59,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:26:59,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:26:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:26:59,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:59,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:26:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:59,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:26:59,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:26:59,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:26:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:59,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:26:59,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:26:59,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 03:26:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:59,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:59,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:26:59,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:26:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:26:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:26:59,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:26:59,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 03:26:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:26:59,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:26:59,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:26:59,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:26:59,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:26:59,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:26:59,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:26:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:26:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:26:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:26:59,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:26:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:26:59,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416520706] [2020-10-27 03:26:59,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:26:59,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:26:59,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905017420] [2020-10-27 03:26:59,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:26:59,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:26:59,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:26:59,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:26:59,253 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 9 states. [2020-10-27 03:27:00,163 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:27:02,356 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:27:03,169 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:27:03,968 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:27:05,038 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:27:07,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:27:07,284 INFO L93 Difference]: Finished difference Result 368 states and 497 transitions. [2020-10-27 03:27:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 03:27:07,287 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-27 03:27:07,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:27:07,292 INFO L225 Difference]: With dead ends: 368 [2020-10-27 03:27:07,293 INFO L226 Difference]: Without dead ends: 265 [2020-10-27 03:27:07,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:27:07,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-10-27 03:27:07,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 180. [2020-10-27 03:27:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-27 03:27:07,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 209 transitions. [2020-10-27 03:27:07,368 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 209 transitions. Word has length 61 [2020-10-27 03:27:07,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:27:07,368 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 209 transitions. [2020-10-27 03:27:07,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:27:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 209 transitions. [2020-10-27 03:27:07,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 03:27:07,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:27:07,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:27:07,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:27:07,372 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:27:07,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:27:07,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1121091256, now seen corresponding path program 1 times [2020-10-27 03:27:07,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:27:07,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531254727] [2020-10-27 03:27:07,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:27:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:07,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:07,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:07,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:08,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:11,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:11,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:27:11,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:27:11,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4306 [2020-10-27 03:27:11,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:27:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:27:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 03:27:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,488 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:27:12,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:27:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:27:12,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 03:27:12,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:27:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:27:12,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:27:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:27:12,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:27:12,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:27:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:27:12,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:27:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:27:12,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:27:12,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:27:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:27:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:27:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:27:12,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:27:12,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:27:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:27:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:27:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:27:12,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:27:12,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:27:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:27:12,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:27:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:27:12,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:27:12,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:27:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:27:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:27:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:27:12,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:27:12,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:27:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:27:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 03:27:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:27:12,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:27:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:27:12,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:27:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:27:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:27:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:27:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:27:12,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:27:12,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:27:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:27:12,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 03:27:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:27:12,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:27:12,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:27:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:27:12,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 03:27:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:27:12,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:27:12,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:27:12,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:27:12,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:27:12,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:27:12,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:27:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:27:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:27:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:27:12,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:27:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:27:12,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531254727] [2020-10-27 03:27:12,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:27:12,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:27:12,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643461378] [2020-10-27 03:27:12,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:27:12,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:27:12,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:27:12,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:27:12,833 INFO L87 Difference]: Start difference. First operand 180 states and 209 transitions. Second operand 11 states. [2020-10-27 03:27:13,811 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:27:15,782 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:27:16,544 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:27:17,344 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:27:18,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:27:18,071 INFO L93 Difference]: Finished difference Result 328 states and 417 transitions. [2020-10-27 03:27:18,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 03:27:18,072 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 70 [2020-10-27 03:27:18,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:27:18,073 INFO L225 Difference]: With dead ends: 328 [2020-10-27 03:27:18,074 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 03:27:18,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:27:18,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 03:27:18,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 03:27:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 03:27:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 03:27:18,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2020-10-27 03:27:18,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:27:18,078 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 03:27:18,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:27:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 03:27:18,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 03:27:18,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:27:18,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 03:27:22,091 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-10-27 03:27:22,797 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-27 03:27:24,541 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 154 DAG size of output: 23 [2020-10-27 03:27:25,159 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-27 03:27:26,556 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2020-10-27 03:27:27,205 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:27:27,820 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-27 03:27:28,982 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 156 DAG size of output: 23 [2020-10-27 03:27:29,658 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-27 03:27:31,376 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 156 DAG size of output: 23 [2020-10-27 03:27:32,570 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 152 DAG size of output: 12 [2020-10-27 03:27:33,196 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2020-10-27 03:27:34,325 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-10-27 03:27:35,529 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-10-27 03:27:36,670 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-10-27 03:27:37,282 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-27 03:27:37,898 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-27 03:27:38,520 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2020-10-27 03:27:39,771 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-10-27 03:27:40,362 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-10-27 03:27:40,973 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-27 03:27:41,551 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-27 03:27:43,323 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 154 DAG size of output: 23 [2020-10-27 03:27:43,957 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-27 03:27:44,609 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-27 03:27:45,751 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-10-27 03:27:45,756 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 03:27:45,757 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 03:27:45,757 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 03:27:45,757 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 03:27:45,757 INFO L274 CegarLoopResult]: For program point L608(lines 585 609) no Hoare annotation was computed. [2020-10-27 03:27:45,757 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 561 616) no Hoare annotation was computed. [2020-10-27 03:27:45,757 INFO L274 CegarLoopResult]: For program point L592(lines 592 596) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point L592-1(lines 592 596) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point L586-2(lines 586 607) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 561 616) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 561 616) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point L643-2(lines 643 668) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point L669(lines 642 670) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 617 676) no Hoare annotation was computed. [2020-10-27 03:27:45,758 INFO L274 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-10-27 03:27:45,759 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 617 676) no Hoare annotation was computed. [2020-10-27 03:27:45,759 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 617 676) no Hoare annotation was computed. [2020-10-27 03:27:45,759 INFO L274 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-10-27 03:27:45,759 INFO L274 CegarLoopResult]: For program point L649-1(lines 649 653) no Hoare annotation was computed. [2020-10-27 03:27:45,759 INFO L274 CegarLoopResult]: For program point L644(line 644) no Hoare annotation was computed. [2020-10-27 03:27:45,759 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 402 408) the Hoare annotation is: true [2020-10-27 03:27:45,759 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 402 408) no Hoare annotation was computed. [2020-10-27 03:27:45,759 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 409 417) no Hoare annotation was computed. [2020-10-27 03:27:45,759 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 409 417) the Hoare annotation is: true [2020-10-27 03:27:45,760 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 409 417) no Hoare annotation was computed. [2020-10-27 03:27:45,760 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 360 382) 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))) [2020-10-27 03:27:45,760 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 360 382) no Hoare annotation was computed. [2020-10-27 03:27:45,760 INFO L270 CegarLoopResult]: At program point L372(line 372) 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))) [2020-10-27 03:27:45,760 INFO L270 CegarLoopResult]: At program point L372-1(line 372) 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))) [2020-10-27 03:27:45,760 INFO L274 CegarLoopResult]: For program point L370(lines 370 377) no Hoare annotation was computed. [2020-10-27 03:27:45,760 INFO L274 CegarLoopResult]: For program point L370-1(lines 370 377) no Hoare annotation was computed. [2020-10-27 03:27:45,760 INFO L274 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-10-27 03:27:45,761 INFO L270 CegarLoopResult]: At program point L367(line 367) 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))) [2020-10-27 03:27:45,761 INFO L270 CegarLoopResult]: At program point L366(line 366) 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))) [2020-10-27 03:27:45,761 INFO L270 CegarLoopResult]: At program point L366-1(line 366) 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))) [2020-10-27 03:27:45,761 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 360 382) no Hoare annotation was computed. [2020-10-27 03:27:45,761 INFO L274 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-10-27 03:27:45,761 INFO L274 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-10-27 03:27:45,761 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 314 337) no Hoare annotation was computed. [2020-10-27 03:27:45,761 INFO L274 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-10-27 03:27:45,762 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 314 337) no Hoare annotation was computed. [2020-10-27 03:27:45,762 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 314 337) no Hoare annotation was computed. [2020-10-27 03:27:45,762 INFO L274 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-10-27 03:27:45,762 INFO L274 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-10-27 03:27:45,762 INFO L274 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-10-27 03:27:45,762 INFO L274 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-10-27 03:27:45,762 INFO L274 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-10-27 03:27:45,762 INFO L274 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-10-27 03:27:45,762 INFO L274 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-10-27 03:27:45,763 INFO L274 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-10-27 03:27:45,763 INFO L274 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-10-27 03:27:45,763 INFO L274 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-10-27 03:27:45,763 INFO L274 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-10-27 03:27:45,763 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 140 148) no Hoare annotation was computed. [2020-10-27 03:27:45,763 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 140 148) the Hoare annotation is: true [2020-10-27 03:27:45,763 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 140 148) no Hoare annotation was computed. [2020-10-27 03:27:45,763 INFO L277 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: true [2020-10-27 03:27:45,763 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 198) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point L192-1(line 192) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 185 203) the Hoare annotation is: true [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 185 203) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point L194(lines 194 198) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 185 203) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point L156(lines 156 164) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point L156-2(lines 156 164) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point L179-1(line 179) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 149 184) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point L168(lines 168 176) no Hoare annotation was computed. [2020-10-27 03:27:45,764 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 149 184) no Hoare annotation was computed. [2020-10-27 03:27:45,765 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 176) no Hoare annotation was computed. [2020-10-27 03:27:45,765 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 149 184) no Hoare annotation was computed. [2020-10-27 03:27:45,765 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 395 401) no Hoare annotation was computed. [2020-10-27 03:27:45,765 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 395 401) the Hoare annotation is: true [2020-10-27 03:27:45,765 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 515 560) no Hoare annotation was computed. [2020-10-27 03:27:45,765 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 515 560) no Hoare annotation was computed. [2020-10-27 03:27:45,765 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 515 560) no Hoare annotation was computed. [2020-10-27 03:27:45,765 INFO L274 CegarLoopResult]: For program point L859(lines 859 860) no Hoare annotation was computed. [2020-10-27 03:27:45,765 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 828 873) no Hoare annotation was computed. [2020-10-27 03:27:45,765 INFO L274 CegarLoopResult]: For program point L852(lines 852 853) no Hoare annotation was computed. [2020-10-27 03:27:45,766 INFO L274 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-10-27 03:27:45,766 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 852 853) no Hoare annotation was computed. [2020-10-27 03:27:45,766 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 859 860) no Hoare annotation was computed. [2020-10-27 03:27:45,766 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 828 873) no Hoare annotation was computed. [2020-10-27 03:27:45,766 INFO L274 CegarLoopResult]: For program point L842(lines 842 862) no Hoare annotation was computed. [2020-10-27 03:27:45,766 INFO L274 CegarLoopResult]: For program point L842-1(lines 842 862) no Hoare annotation was computed. [2020-10-27 03:27:45,766 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 828 873) no Hoare annotation was computed. [2020-10-27 03:27:45,767 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 346 356) 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))) [2020-10-27 03:27:45,767 INFO L270 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:27:45,767 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 346 356) no Hoare annotation was computed. [2020-10-27 03:27:45,767 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 346 356) no Hoare annotation was computed. [2020-10-27 03:27:45,767 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 129 139) no Hoare annotation was computed. [2020-10-27 03:27:45,767 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 129 139) no Hoare annotation was computed. [2020-10-27 03:27:45,767 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 129 139) no Hoare annotation was computed. [2020-10-27 03:27:45,767 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 03:27:45,767 INFO L274 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-10-27 03:27:45,768 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 121 128) the Hoare annotation is: true [2020-10-27 03:27:45,768 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 121 128) no Hoare annotation was computed. [2020-10-27 03:27:45,768 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 121 128) no Hoare annotation was computed. [2020-10-27 03:27:45,768 INFO L274 CegarLoopResult]: For program point L96(lines 96 104) no Hoare annotation was computed. [2020-10-27 03:27:45,768 INFO L270 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:27:45,768 INFO L274 CegarLoopResult]: For program point L94-1(line 94) no Hoare annotation was computed. [2020-10-27 03:27:45,768 INFO L274 CegarLoopResult]: For program point L92(lines 92 109) no Hoare annotation was computed. [2020-10-27 03:27:45,768 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 88 112) no Hoare annotation was computed. [2020-10-27 03:27:45,768 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 88 112) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:27:45,769 INFO L270 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:27:45,769 INFO L274 CegarLoopResult]: For program point L107-1(lines 88 112) no Hoare annotation was computed. [2020-10-27 03:27:45,769 INFO L270 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:27:45,769 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:27:45,769 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 80 86) no Hoare annotation was computed. [2020-10-27 03:27:45,769 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 80 86) the Hoare annotation is: true [2020-10-27 03:27:45,769 INFO L274 CegarLoopResult]: For program point L256(lines 256 269) no Hoare annotation was computed. [2020-10-27 03:27:45,769 INFO L270 CegarLoopResult]: At program point testENTRY(lines 216 281) 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))) [2020-10-27 03:27:45,770 INFO L270 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:27:45,770 INFO L274 CegarLoopResult]: For program point testFINAL(lines 216 281) no Hoare annotation was computed. [2020-10-27 03:27:45,770 INFO L274 CegarLoopResult]: For program point L246(lines 246 252) no Hoare annotation was computed. [2020-10-27 03:27:45,770 INFO L274 CegarLoopResult]: For program point L246-1(lines 246 252) no Hoare annotation was computed. [2020-10-27 03:27:45,770 INFO L270 CegarLoopResult]: At program point L271(lines 226 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:27:45,770 INFO L270 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:27:45,770 INFO L274 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-10-27 03:27:45,770 INFO L274 CegarLoopResult]: For program point L236-1(lines 236 242) no Hoare annotation was computed. [2020-10-27 03:27:45,771 INFO L274 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-10-27 03:27:45,771 INFO L270 CegarLoopResult]: At program point L274(lines 225 275) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0)))) [2020-10-27 03:27:45,771 INFO L274 CegarLoopResult]: For program point L264(lines 264 268) no Hoare annotation was computed. [2020-10-27 03:27:45,771 INFO L270 CegarLoopResult]: At program point L264-2(lines 256 269) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:27:45,771 INFO L274 CegarLoopResult]: For program point L227(lines 226 273) no Hoare annotation was computed. [2020-10-27 03:27:45,771 INFO L274 CegarLoopResult]: For program point testEXIT(lines 216 281) no Hoare annotation was computed. [2020-10-27 03:27:45,771 INFO L270 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-27 03:27:45,771 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 806 807) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 813 814) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point L796(lines 796 816) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point L796-1(lines 796 816) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 782 827) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 782 827) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 782 827) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point L813(lines 813 814) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point L806(lines 806 807) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point L802(lines 802 809) no Hoare annotation was computed. [2020-10-27 03:27:45,772 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 499 507) no Hoare annotation was computed. [2020-10-27 03:27:45,773 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 499 507) the Hoare annotation is: true [2020-10-27 03:27:45,773 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 499 507) no Hoare annotation was computed. [2020-10-27 03:27:45,773 INFO L274 CegarLoopResult]: For program point L897(lines 897 907) no Hoare annotation was computed. [2020-10-27 03:27:45,773 INFO L270 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-27 03:27:45,773 INFO L274 CegarLoopResult]: For program point L895-1(line 895) no Hoare annotation was computed. [2020-10-27 03:27:45,773 INFO L274 CegarLoopResult]: For program point L893(lines 893 910) no Hoare annotation was computed. [2020-10-27 03:27:45,773 INFO L274 CegarLoopResult]: For program point L893-1(lines 885 913) no Hoare annotation was computed. [2020-10-27 03:27:45,773 INFO L270 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-27 03:27:45,773 INFO L274 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-10-27 03:27:45,774 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 885 913) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-27 03:27:45,774 INFO L270 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:27:45,774 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 885 913) no Hoare annotation was computed. [2020-10-27 03:27:45,774 INFO L274 CegarLoopResult]: For program point L898(lines 898 904) no Hoare annotation was computed. [2020-10-27 03:27:45,774 INFO L274 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-10-27 03:27:45,774 INFO L274 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-10-27 03:27:45,774 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 467 489) no Hoare annotation was computed. [2020-10-27 03:27:45,774 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 467 489) no Hoare annotation was computed. [2020-10-27 03:27:45,774 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 467 489) no Hoare annotation was computed. [2020-10-27 03:27:45,774 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 877 884) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-27 03:27:45,775 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 877 884) no Hoare annotation was computed. [2020-10-27 03:27:45,775 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 877 884) no Hoare annotation was computed. [2020-10-27 03:27:45,775 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 385 394) no Hoare annotation was computed. [2020-10-27 03:27:45,775 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 385 394) no Hoare annotation was computed. [2020-10-27 03:27:45,775 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 385 394) no Hoare annotation was computed. [2020-10-27 03:27:45,775 INFO L274 CegarLoopResult]: For program point L768(lines 768 775) no Hoare annotation was computed. [2020-10-27 03:27:45,775 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 679 781) no Hoare annotation was computed. [2020-10-27 03:27:45,775 INFO L274 CegarLoopResult]: For program point L729(lines 728 748) no Hoare annotation was computed. [2020-10-27 03:27:45,775 INFO L274 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point L725(lines 725 766) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point L744(line 744) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 679 781) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point L703(lines 703 707) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point L767(lines 767 778) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point L730(lines 730 734) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 748) no Hoare annotation was computed. [2020-10-27 03:27:45,776 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 679 781) no Hoare annotation was computed. [2020-10-27 03:27:45,777 INFO L274 CegarLoopResult]: For program point L749(lines 727 750) no Hoare annotation was computed. [2020-10-27 03:27:45,777 INFO L274 CegarLoopResult]: For program point L708(lines 708 724) no Hoare annotation was computed. [2020-10-27 03:27:45,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:27:45,777 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 03:27:45,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:27:45,777 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 113 120) no Hoare annotation was computed. [2020-10-27 03:27:45,778 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 113 120) no Hoare annotation was computed. [2020-10-27 03:27:45,778 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 113 120) no Hoare annotation was computed. [2020-10-27 03:27:45,778 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 490 498) no Hoare annotation was computed. [2020-10-27 03:27:45,778 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 490 498) no Hoare annotation was computed. [2020-10-27 03:27:45,778 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 490 498) no Hoare annotation was computed. [2020-10-27 03:27:45,778 INFO L274 CegarLoopResult]: For program point L450-1(lines 446 457) no Hoare annotation was computed. [2020-10-27 03:27:45,778 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 446 457) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-27 03:27:45,778 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 446 457) no Hoare annotation was computed. [2020-10-27 03:27:45,778 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:27:45,779 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 03:27:45,779 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:27:45,779 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 458 466) the Hoare annotation is: true [2020-10-27 03:27:45,779 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 458 466) no Hoare annotation was computed. [2020-10-27 03:27:45,779 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 458 466) no Hoare annotation was computed. [2020-10-27 03:27:45,779 INFO L270 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) .cse0))) [2020-10-27 03:27:45,779 INFO L274 CegarLoopResult]: For program point L60(lines 59 78) no Hoare annotation was computed. [2020-10-27 03:27:45,779 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 56 79) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 03:27:45,780 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 56 79) no Hoare annotation was computed. [2020-10-27 03:27:45,780 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 56 79) no Hoare annotation was computed. [2020-10-27 03:27:45,780 INFO L270 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 (and .cse1 .cse2)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 03:27:45,780 INFO L270 CegarLoopResult]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) .cse1 .cse0))) [2020-10-27 03:27:45,780 INFO L274 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-10-27 03:27:45,780 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 284 313) no Hoare annotation was computed. [2020-10-27 03:27:45,781 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 284 313) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 03:27:45,781 INFO L277 CegarLoopResult]: At program point L309(lines 284 313) the Hoare annotation is: true [2020-10-27 03:27:45,781 INFO L274 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-10-27 03:27:45,781 INFO L274 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-10-27 03:27:45,781 INFO L270 CegarLoopResult]: At program point L298-1(lines 298 302) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:27:45,781 INFO L274 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-10-27 03:27:45,781 INFO L270 CegarLoopResult]: At program point L294-2(lines 294 308) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:27:45,781 INFO L270 CegarLoopResult]: At program point L290(line 290) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-27 03:27:45,782 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 422 433) the Hoare annotation is: true [2020-10-27 03:27:45,782 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 422 433) no Hoare annotation was computed. [2020-10-27 03:27:45,782 INFO L274 CegarLoopResult]: For program point L426-1(lines 422 433) no Hoare annotation was computed. [2020-10-27 03:27:45,782 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 338 344) no Hoare annotation was computed. [2020-10-27 03:27:45,782 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 338 344) the Hoare annotation is: true [2020-10-27 03:27:45,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:27:45,782 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-27 03:27:45,782 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 03:27:45,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:27:45,783 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 204 211) no Hoare annotation was computed. [2020-10-27 03:27:45,783 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 204 211) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-27 03:27:45,783 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 204 211) no Hoare annotation was computed. [2020-10-27 03:27:45,783 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 434 445) no Hoare annotation was computed. [2020-10-27 03:27:45,783 INFO L274 CegarLoopResult]: For program point L438-1(lines 434 445) no Hoare annotation was computed. [2020-10-27 03:27:45,783 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 434 445) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:27:45,783 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 915 922) no Hoare annotation was computed. [2020-10-27 03:27:45,783 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2020-10-27 03:27:45,783 INFO L274 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-10-27 03:27:45,784 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2020-10-27 03:27:45,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:27:45 BoogieIcfgContainer [2020-10-27 03:27:45,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:27:45,802 INFO L168 Benchmark]: Toolchain (without parser) took 64282.49 ms. Allocated memory was 151.0 MB in the beginning and 543.2 MB in the end (delta: 392.2 MB). Free memory was 125.9 MB in the beginning and 415.9 MB in the end (delta: -290.0 MB). Peak memory consumption was 332.8 MB. Max. memory is 8.0 GB. [2020-10-27 03:27:45,803 INFO L168 Benchmark]: CDTParser took 1.58 ms. Allocated memory is still 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:27:45,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:27:45,804 INFO L168 Benchmark]: Boogie Preprocessor took 146.31 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 100.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:27:45,805 INFO L168 Benchmark]: RCFGBuilder took 1460.31 ms. Allocated memory is still 151.0 MB. Free memory was 100.0 MB in the beginning and 71.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 8.0 GB. [2020-10-27 03:27:45,806 INFO L168 Benchmark]: TraceAbstraction took 62088.15 ms. Allocated memory was 151.0 MB in the beginning and 543.2 MB in the end (delta: 392.2 MB). Free memory was 70.9 MB in the beginning and 415.9 MB in the end (delta: -345.0 MB). Peak memory consumption was 276.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:27:45,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58 ms. Allocated memory is still 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 575.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 146.31 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 100.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1460.31 ms. Allocated memory is still 151.0 MB. Free memory was 100.0 MB in the beginning and 71.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 62088.15 ms. Allocated memory was 151.0 MB in the beginning and 543.2 MB in the end (delta: 392.2 MB). Free memory was 70.9 MB in the beginning and 415.9 MB in the end (delta: -345.0 MB). Peak memory consumption was 276.2 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: 813]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 806]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 852]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 859]: 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: 225]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || (methaneLevelCritical == 0 && 1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 647 SDslu, 349 SDs, 0 SdLazy, 1311 SolverSat, 467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 269 PreInvPairs, 346 NumberOfFragments, 1013 HoareAnnotationTreeSize, 269 FomulaSimplifications, 41481 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 54 FomulaSimplificationsInter, 9746 FormulaSimplificationTreeSizeReductionInter, 24.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 61272 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...