/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:39:23,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:39:23,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:39:23,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:39:23,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:39:23,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:39:23,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:39:23,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:39:23,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:39:23,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:39:23,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:39:23,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:39:23,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:39:23,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:39:23,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:39:23,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:39:23,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:39:23,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:39:23,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:39:23,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:39:23,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:39:23,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:39:23,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:39:23,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:39:23,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:39:23,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:39:23,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:39:23,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:39:23,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:39:23,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:39:23,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:39:23,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:39:23,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:39:23,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:39:23,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:39:23,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:39:23,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:39:23,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:39:23,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:39:23,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:39:23,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:39:23,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:39:23,539 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:39:23,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:39:23,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:39:23,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:39:23,541 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:39:23,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:39:23,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:39:23,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:39:23,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:39:23,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:39:23,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:39:23,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:39:23,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:39:23,543 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:39:23,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:39:23,544 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:39:23,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:39:23,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:39:23,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:39:23,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:39:23,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:39:23,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:39:23,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:39:23,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:39:23,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:39:23,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:39:23,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:39:23,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:39:23,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:39:23,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:39:23,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:39:24,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:39:24,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:39:24,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:39:24,032 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:39:24,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-10-28 16:39:24,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75bda5373/f27a0a6ea1c84bfc926001b7ee8b5689/FLAG700911554 [2020-10-28 16:39:24,871 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:39:24,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-10-28 16:39:24,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75bda5373/f27a0a6ea1c84bfc926001b7ee8b5689/FLAG700911554 [2020-10-28 16:39:25,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75bda5373/f27a0a6ea1c84bfc926001b7ee8b5689 [2020-10-28 16:39:25,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:39:25,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:39:25,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:25,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:39:25,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:39:25,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:25" (1/1) ... [2020-10-28 16:39:25,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1105c311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25, skipping insertion in model container [2020-10-28 16:39:25,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:25" (1/1) ... [2020-10-28 16:39:25,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:39:25,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:39:25,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:25,706 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:39:25,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:25,866 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:39:25,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25 WrapperNode [2020-10-28 16:39:25,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:25,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:39:25,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:39:25,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:39:25,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25" (1/1) ... [2020-10-28 16:39:25,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25" (1/1) ... [2020-10-28 16:39:25,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25" (1/1) ... [2020-10-28 16:39:25,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25" (1/1) ... [2020-10-28 16:39:26,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25" (1/1) ... [2020-10-28 16:39:26,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25" (1/1) ... [2020-10-28 16:39:26,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25" (1/1) ... [2020-10-28 16:39:26,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:39:26,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:39:26,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:39:26,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:39:26,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:39:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:39:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:39:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:39:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:39:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:39:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:39:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:39:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:39:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:39:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:39:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:39:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:39:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:39:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:39:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:39:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:39:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:39:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:39:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:39:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:39:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:39:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:39:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:39:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:39:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:39:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:39:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:39:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:39:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:39:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:39:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:39:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:39:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:39:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:39:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:39:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:39:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:39:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:39:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:39:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:39:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:39:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:39:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:39:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:39:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:39:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:39:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:39:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:39:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:39:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:39:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:39:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:39:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:39:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:39:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:39:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:39:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:39:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:39:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:39:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:39:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:39:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:39:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:39:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:39:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:39:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:39:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:39:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:39:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:39:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:39:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:39:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:39:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:39:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:39:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:39:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:39:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:39:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:39:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:39:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:39:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:39:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:39:27,581 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:39:27,582 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:39:27,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:27 BoogieIcfgContainer [2020-10-28 16:39:27,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:39:27,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:39:27,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:39:27,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:39:27,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:39:25" (1/3) ... [2020-10-28 16:39:27,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca5afd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:27, skipping insertion in model container [2020-10-28 16:39:27,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:25" (2/3) ... [2020-10-28 16:39:27,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca5afd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:27, skipping insertion in model container [2020-10-28 16:39:27,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:27" (3/3) ... [2020-10-28 16:39:27,594 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2020-10-28 16:39:27,607 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:39:27,612 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:39:27,627 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:39:27,656 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:39:27,657 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:39:27,657 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:39:27,657 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:39:27,657 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:39:27,657 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:39:27,657 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:39:27,658 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:39:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-10-28 16:39:27,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:39:27,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:27,693 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] [2020-10-28 16:39:27,693 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:39:27,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:27,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1321596604, now seen corresponding path program 1 times [2020-10-28 16:39:27,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:27,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945383420] [2020-10-28 16:39:27,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:28,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:28,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:28,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:30,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:33,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:39:33,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:33,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 16:39:33,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:33,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:39:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:33,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:39:33,554 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:33,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:33,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:33,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:33,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:33,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 16:39:33,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:33,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:33,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:33,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:33,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:33,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:33,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:33,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:33,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:33,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:33,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:33,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:33,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:33,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:33,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:33,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:33,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:33,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:33,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:33,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:33,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:33,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:33,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:33,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:33,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:33,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:33,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:33,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:33,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:33,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:33,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:33,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:33,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:39:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:33,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:33,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:33,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:33,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:33,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:33,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:33,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:33,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:33,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:33,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:33,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:33,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:33,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:33,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:33,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:39:33,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945383420] [2020-10-28 16:39:33,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:33,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:39:33,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575137959] [2020-10-28 16:39:33,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:39:33,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:33,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:39:33,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:33,734 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-10-28 16:39:34,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:34,916 INFO L93 Difference]: Finished difference Result 261 states and 343 transitions. [2020-10-28 16:39:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:39:34,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:39:34,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:34,931 INFO L225 Difference]: With dead ends: 261 [2020-10-28 16:39:34,932 INFO L226 Difference]: Without dead ends: 140 [2020-10-28 16:39:34,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:34,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-28 16:39:35,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2020-10-28 16:39:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-28 16:39:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 126 transitions. [2020-10-28 16:39:35,025 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 126 transitions. Word has length 47 [2020-10-28 16:39:35,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:35,026 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 126 transitions. [2020-10-28 16:39:35,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:39:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2020-10-28 16:39:35,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:39:35,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:35,029 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] [2020-10-28 16:39:35,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:39:35,030 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:39:35,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:35,031 INFO L82 PathProgramCache]: Analyzing trace with hash -696925238, now seen corresponding path program 1 times [2020-10-28 16:39:35,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:35,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362458364] [2020-10-28 16:39:35,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:35,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:35,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:35,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:40,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:40,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:39:40,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 16:39:40,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:40,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:39:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:39:40,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:40,475 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:40,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:40,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:40,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:40,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:40,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:40,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 16:39:40,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:40,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:40,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:40,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:40,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:40,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:40,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:40,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:40,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:40,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:40,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:40,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:40,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:40,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:40,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:40,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:40,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:40,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:40,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:40,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:40,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:40,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:40,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:40,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:40,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:40,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:40,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:40,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:40,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:40,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:40,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:40,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:40,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:40,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:40,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:40,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:40,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:40,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:40,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:39:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:40,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:40,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:40,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:40,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:40,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:40,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:40,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:40,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:40,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:40,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:39:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:40,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:40,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:40,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:40,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:40,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:40,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:40,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:39:40,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362458364] [2020-10-28 16:39:40,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:40,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:39:40,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227192859] [2020-10-28 16:39:40,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:39:40,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:40,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:39:40,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:39:40,589 INFO L87 Difference]: Start difference. First operand 109 states and 126 transitions. Second operand 4 states. [2020-10-28 16:39:41,296 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:42,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:42,335 INFO L93 Difference]: Finished difference Result 187 states and 226 transitions. [2020-10-28 16:39:42,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:42,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:39:42,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:42,344 INFO L225 Difference]: With dead ends: 187 [2020-10-28 16:39:42,344 INFO L226 Difference]: Without dead ends: 124 [2020-10-28 16:39:42,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:42,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-28 16:39:42,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 100. [2020-10-28 16:39:42,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-28 16:39:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-10-28 16:39:42,413 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 48 [2020-10-28 16:39:42,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:42,413 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-10-28 16:39:42,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:39:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-10-28 16:39:42,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:39:42,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:42,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:39:42,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:39:42,423 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:39:42,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:42,424 INFO L82 PathProgramCache]: Analyzing trace with hash -785824253, now seen corresponding path program 1 times [2020-10-28 16:39:42,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:42,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615114940] [2020-10-28 16:39:42,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:42,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:44,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:44,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:39:44,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2340 [2020-10-28 16:39:44,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:44,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:39:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:39:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,278 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:45,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:45,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 16:39:45,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:39:45,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:45,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:45,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:45,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:45,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:45,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:45,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:45,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:45,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:45,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:45,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:45,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:39:45,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:45,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:45,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:45,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:39:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:45,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:45,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:39:45,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615114940] [2020-10-28 16:39:45,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:45,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:39:45,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767992568] [2020-10-28 16:39:45,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:39:45,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:45,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:39:45,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:45,462 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 5 states. [2020-10-28 16:39:45,948 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:39:46,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:46,876 INFO L93 Difference]: Finished difference Result 200 states and 244 transitions. [2020-10-28 16:39:46,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:46,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:39:46,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:46,881 INFO L225 Difference]: With dead ends: 200 [2020-10-28 16:39:46,881 INFO L226 Difference]: Without dead ends: 124 [2020-10-28 16:39:46,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:39:46,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-28 16:39:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 100. [2020-10-28 16:39:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-28 16:39:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2020-10-28 16:39:46,924 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 53 [2020-10-28 16:39:46,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:46,925 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2020-10-28 16:39:46,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:39:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2020-10-28 16:39:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 16:39:46,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:46,927 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] [2020-10-28 16:39:46,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:39:46,927 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:39:46,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:46,928 INFO L82 PathProgramCache]: Analyzing trace with hash 338451098, now seen corresponding path program 1 times [2020-10-28 16:39:46,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:46,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644215787] [2020-10-28 16:39:46,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:47,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:47,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:47,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:51,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:51,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 16:39:51,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:51,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4392 [2020-10-28 16:39:51,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:51,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:39:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:39:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 16:39:51,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:51,922 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:51,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:51,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:51,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:51,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:51,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 16:39:51,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:51,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:51,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:51,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:51,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:51,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:51,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:51,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:51,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:51,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:51,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:51,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:51,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:51,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:51,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:51,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:51,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:51,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:51,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:51,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:51,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:51,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:51,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:51,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:51,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:52,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:52,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:52,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:52,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:52,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:52,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:52,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:52,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:52,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:52,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:52,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:52,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:52,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:52,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:52,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:52,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:52,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:39:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:52,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:52,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:52,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:52,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:39:52,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:39:52,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 16:39:52,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:52,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:39:52,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:52,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:39:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:52,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:52,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:52,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:52,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:52,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:39:52,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:52,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:52,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:52,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:52,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:52,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 16:39:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:52,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:52,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:52,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:52,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:52,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:52,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 16:39:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:52,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:52,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:52,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:52,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:39:52,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:52,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:39:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:39:52,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644215787] [2020-10-28 16:39:52,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:52,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:39:52,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504792061] [2020-10-28 16:39:52,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:39:52,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:52,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:39:52,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:39:52,170 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 8 states. [2020-10-28 16:39:52,783 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:53,888 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:39:54,355 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:39:54,770 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:39:54,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:54,937 INFO L93 Difference]: Finished difference Result 167 states and 202 transitions. [2020-10-28 16:39:54,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:39:54,938 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-10-28 16:39:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:54,939 INFO L225 Difference]: With dead ends: 167 [2020-10-28 16:39:54,940 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:39:54,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:39:54,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:39:54,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:39:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:39:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:39:54,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-10-28 16:39:54,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:54,948 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:39:54,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:39:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:39:54,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:39:54,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:39:54,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:39:56,320 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-10-28 16:39:56,619 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:56,907 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:57,224 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:39:57,503 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-10-28 16:39:57,792 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 13 [2020-10-28 16:39:58,161 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:58,442 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:39:58,748 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-28 16:39:59,049 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:59,355 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:59,649 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-28 16:40:00,032 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:00,372 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:00,672 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:00,961 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:40:01,273 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:40:01,354 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:40:01,354 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:40:01,355 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:40:01,355 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:40:01,355 INFO L274 CegarLoopResult]: For program point L542(lines 519 543) no Hoare annotation was computed. [2020-10-28 16:40:01,355 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 495 550) no Hoare annotation was computed. [2020-10-28 16:40:01,355 INFO L274 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-10-28 16:40:01,355 INFO L274 CegarLoopResult]: For program point L526-1(lines 526 530) no Hoare annotation was computed. [2020-10-28 16:40:01,355 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 495 550) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point L520-2(lines 520 541) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 495 550) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point L577-2(lines 577 602) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point L603(lines 576 604) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 551 610) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 551 610) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 551 610) no Hoare annotation was computed. [2020-10-28 16:40:01,356 INFO L274 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2020-10-28 16:40:01,357 INFO L274 CegarLoopResult]: For program point L583-1(lines 583 587) no Hoare annotation was computed. [2020-10-28 16:40:01,357 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-10-28 16:40:01,357 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 92 98) the Hoare annotation is: true [2020-10-28 16:40:01,357 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 92 98) no Hoare annotation was computed. [2020-10-28 16:40:01,357 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 99 107) no Hoare annotation was computed. [2020-10-28 16:40:01,357 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 99 107) the Hoare annotation is: true [2020-10-28 16:40:01,357 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 99 107) no Hoare annotation was computed. [2020-10-28 16:40:01,358 INFO L270 CegarLoopResult]: At program point L193(line 193) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:40:01,358 INFO L270 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:40:01,358 INFO L270 CegarLoopResult]: At program point L192-1(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:40:01,358 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 186 208) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:40:01,358 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 186 208) no Hoare annotation was computed. [2020-10-28 16:40:01,358 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 186 208) no Hoare annotation was computed. [2020-10-28 16:40:01,359 INFO L270 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:40:01,359 INFO L270 CegarLoopResult]: At program point L198-1(line 198) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:40:01,359 INFO L274 CegarLoopResult]: For program point L196(lines 196 203) no Hoare annotation was computed. [2020-10-28 16:40:01,359 INFO L274 CegarLoopResult]: For program point L196-1(lines 196 203) no Hoare annotation was computed. [2020-10-28 16:40:01,359 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-28 16:40:01,359 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-28 16:40:01,359 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-28 16:40:01,359 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 16:40:01,360 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-28 16:40:01,361 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-28 16:40:01,361 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 16:40:01,361 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-28 16:40:01,361 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 16:40:01,361 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 303 311) no Hoare annotation was computed. [2020-10-28 16:40:01,361 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 303 311) the Hoare annotation is: true [2020-10-28 16:40:01,361 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 303 311) no Hoare annotation was computed. [2020-10-28 16:40:01,361 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 348 366) the Hoare annotation is: true [2020-10-28 16:40:01,361 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 348 366) no Hoare annotation was computed. [2020-10-28 16:40:01,362 INFO L274 CegarLoopResult]: For program point L357(lines 357 361) no Hoare annotation was computed. [2020-10-28 16:40:01,362 INFO L277 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: true [2020-10-28 16:40:01,362 INFO L274 CegarLoopResult]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2020-10-28 16:40:01,362 INFO L274 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-10-28 16:40:01,362 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 348 366) no Hoare annotation was computed. [2020-10-28 16:40:01,362 INFO L274 CegarLoopResult]: For program point L319(lines 319 327) no Hoare annotation was computed. [2020-10-28 16:40:01,362 INFO L274 CegarLoopResult]: For program point L319-2(lines 319 327) no Hoare annotation was computed. [2020-10-28 16:40:01,362 INFO L274 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-10-28 16:40:01,362 INFO L274 CegarLoopResult]: For program point L342-1(line 342) no Hoare annotation was computed. [2020-10-28 16:40:01,362 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 312 347) no Hoare annotation was computed. [2020-10-28 16:40:01,363 INFO L274 CegarLoopResult]: For program point L331(lines 331 339) no Hoare annotation was computed. [2020-10-28 16:40:01,363 INFO L274 CegarLoopResult]: For program point L331-2(lines 331 339) no Hoare annotation was computed. [2020-10-28 16:40:01,363 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 312 347) no Hoare annotation was computed. [2020-10-28 16:40:01,363 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 312 347) no Hoare annotation was computed. [2020-10-28 16:40:01,363 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 85 91) no Hoare annotation was computed. [2020-10-28 16:40:01,363 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 85 91) the Hoare annotation is: true [2020-10-28 16:40:01,363 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 449 494) no Hoare annotation was computed. [2020-10-28 16:40:01,363 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 449 494) no Hoare annotation was computed. [2020-10-28 16:40:01,363 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 449 494) no Hoare annotation was computed. [2020-10-28 16:40:01,363 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 762 807) no Hoare annotation was computed. [2020-10-28 16:40:01,364 INFO L274 CegarLoopResult]: For program point L793(lines 793 794) no Hoare annotation was computed. [2020-10-28 16:40:01,364 INFO L274 CegarLoopResult]: For program point L786(lines 786 787) no Hoare annotation was computed. [2020-10-28 16:40:01,364 INFO L274 CegarLoopResult]: For program point L782(lines 782 789) no Hoare annotation was computed. [2020-10-28 16:40:01,364 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 786 787) no Hoare annotation was computed. [2020-10-28 16:40:01,364 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 793 794) no Hoare annotation was computed. [2020-10-28 16:40:01,364 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 762 807) no Hoare annotation was computed. [2020-10-28 16:40:01,364 INFO L274 CegarLoopResult]: For program point L776(lines 776 796) no Hoare annotation was computed. [2020-10-28 16:40:01,364 INFO L274 CegarLoopResult]: For program point L776-1(lines 776 796) no Hoare annotation was computed. [2020-10-28 16:40:01,365 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 762 807) no Hoare annotation was computed. [2020-10-28 16:40:01,365 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 176 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:40:01,365 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 176 185) no Hoare annotation was computed. [2020-10-28 16:40:01,365 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 176 185) no Hoare annotation was computed. [2020-10-28 16:40:01,365 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 292 302) no Hoare annotation was computed. [2020-10-28 16:40:01,365 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 292 302) no Hoare annotation was computed. [2020-10-28 16:40:01,365 INFO L274 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-10-28 16:40:01,365 INFO L274 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-10-28 16:40:01,365 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 292 302) no Hoare annotation was computed. [2020-10-28 16:40:01,365 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 284 291) the Hoare annotation is: true [2020-10-28 16:40:01,366 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 284 291) no Hoare annotation was computed. [2020-10-28 16:40:01,366 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 284 291) no Hoare annotation was computed. [2020-10-28 16:40:01,366 INFO L270 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:01,366 INFO L274 CegarLoopResult]: For program point L257-1(line 257) no Hoare annotation was computed. [2020-10-28 16:40:01,366 INFO L274 CegarLoopResult]: For program point L255(lines 255 272) no Hoare annotation was computed. [2020-10-28 16:40:01,366 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 251 275) no Hoare annotation was computed. [2020-10-28 16:40:01,366 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 251 275) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 16:40:01,366 INFO L270 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 16:40:01,367 INFO L274 CegarLoopResult]: For program point L270-1(lines 251 275) no Hoare annotation was computed. [2020-10-28 16:40:01,367 INFO L270 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:01,367 INFO L270 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:01,367 INFO L274 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-10-28 16:40:01,367 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 243 249) no Hoare annotation was computed. [2020-10-28 16:40:01,367 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 243 249) the Hoare annotation is: true [2020-10-28 16:40:01,367 INFO L270 CegarLoopResult]: At program point testENTRY(lines 376 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:40:01,367 INFO L274 CegarLoopResult]: For program point testFINAL(lines 376 441) no Hoare annotation was computed. [2020-10-28 16:40:01,367 INFO L270 CegarLoopResult]: At program point L434(lines 385 435) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:01,368 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-10-28 16:40:01,368 INFO L270 CegarLoopResult]: At program point L424-2(lines 416 429) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:01,368 INFO L274 CegarLoopResult]: For program point L387(lines 386 433) no Hoare annotation was computed. [2020-10-28 16:40:01,368 INFO L270 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:01,368 INFO L274 CegarLoopResult]: For program point L416(lines 416 429) no Hoare annotation was computed. [2020-10-28 16:40:01,368 INFO L270 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:01,368 INFO L274 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-10-28 16:40:01,368 INFO L274 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-10-28 16:40:01,369 INFO L270 CegarLoopResult]: At program point L431(lines 386 433) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:01,369 INFO L270 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:40:01,369 INFO L274 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-28 16:40:01,369 INFO L274 CegarLoopResult]: For program point L396-1(lines 396 402) no Hoare annotation was computed. [2020-10-28 16:40:01,369 INFO L274 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-10-28 16:40:01,369 INFO L274 CegarLoopResult]: For program point testEXIT(lines 376 441) no Hoare annotation was computed. [2020-10-28 16:40:01,369 INFO L274 CegarLoopResult]: For program point L736(lines 736 743) no Hoare annotation was computed. [2020-10-28 16:40:01,369 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 740 741) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 747 748) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L274 CegarLoopResult]: For program point L730(lines 730 750) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 716 761) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L274 CegarLoopResult]: For program point L730-1(lines 730 750) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 716 761) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 716 761) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L274 CegarLoopResult]: For program point L747(lines 747 748) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L274 CegarLoopResult]: For program point L740(lines 740 741) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 898 906) no Hoare annotation was computed. [2020-10-28 16:40:01,370 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 898 906) the Hoare annotation is: true [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 898 906) no Hoare annotation was computed. [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point L874(lines 874 882) no Hoare annotation was computed. [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 866 888) no Hoare annotation was computed. [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point L874-2(lines 874 882) no Hoare annotation was computed. [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 866 888) no Hoare annotation was computed. [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 866 888) no Hoare annotation was computed. [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 75 84) no Hoare annotation was computed. [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 75 84) no Hoare annotation was computed. [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 75 84) no Hoare annotation was computed. [2020-10-28 16:40:01,371 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 613 715) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L702(lines 702 709) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L663(lines 662 682) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L659(lines 659 700) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 613 715) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L678-1(line 678) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L701(lines 701 712) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-10-28 16:40:01,372 INFO L274 CegarLoopResult]: For program point L662-2(lines 662 682) no Hoare annotation was computed. [2020-10-28 16:40:01,373 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 613 715) no Hoare annotation was computed. [2020-10-28 16:40:01,373 INFO L274 CegarLoopResult]: For program point L683(lines 661 684) no Hoare annotation was computed. [2020-10-28 16:40:01,373 INFO L274 CegarLoopResult]: For program point L642(lines 642 658) no Hoare annotation was computed. [2020-10-28 16:40:01,373 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:40:01,373 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)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#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~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.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)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:40:01,373 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:40:01,374 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 276 283) no Hoare annotation was computed. [2020-10-28 16:40:01,374 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 276 283) no Hoare annotation was computed. [2020-10-28 16:40:01,374 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 276 283) no Hoare annotation was computed. [2020-10-28 16:40:01,374 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 889 897) no Hoare annotation was computed. [2020-10-28 16:40:01,374 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 889 897) no Hoare annotation was computed. [2020-10-28 16:40:01,374 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 889 897) no Hoare annotation was computed. [2020-10-28 16:40:01,374 INFO L274 CegarLoopResult]: For program point L849-1(lines 845 856) no Hoare annotation was computed. [2020-10-28 16:40:01,374 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 845 856) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:40:01,374 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 845 856) no Hoare annotation was computed. [2020-10-28 16:40:01,375 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:40:01,375 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:40:01,375 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:40:01,375 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 857 865) the Hoare annotation is: true [2020-10-28 16:40:01,375 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 857 865) no Hoare annotation was computed. [2020-10-28 16:40:01,375 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 857 865) no Hoare annotation was computed. [2020-10-28 16:40:01,375 INFO L270 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:40:01,375 INFO L274 CegarLoopResult]: For program point L223(lines 222 241) no Hoare annotation was computed. [2020-10-28 16:40:01,375 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 219 242) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 16:40:01,376 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 219 242) no Hoare annotation was computed. [2020-10-28 16:40:01,376 INFO L270 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 16:40:01,376 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 219 242) no Hoare annotation was computed. [2020-10-28 16:40:01,376 INFO L270 CegarLoopResult]: At program point L230(lines 230 236) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 16:40:01,376 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 111 140) no Hoare annotation was computed. [2020-10-28 16:40:01,376 INFO L274 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-10-28 16:40:01,376 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 111 140) the Hoare annotation is: true [2020-10-28 16:40:01,376 INFO L277 CegarLoopResult]: At program point L125-1(lines 125 129) the Hoare annotation is: true [2020-10-28 16:40:01,376 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-28 16:40:01,377 INFO L277 CegarLoopResult]: At program point L121-2(lines 121 135) the Hoare annotation is: true [2020-10-28 16:40:01,377 INFO L277 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: true [2020-10-28 16:40:01,377 INFO L274 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-10-28 16:40:01,377 INFO L277 CegarLoopResult]: At program point L136(lines 111 140) the Hoare annotation is: true [2020-10-28 16:40:01,377 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 16:40:01,377 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 821 832) the Hoare annotation is: true [2020-10-28 16:40:01,377 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 821 832) no Hoare annotation was computed. [2020-10-28 16:40:01,377 INFO L274 CegarLoopResult]: For program point L825-1(lines 821 832) no Hoare annotation was computed. [2020-10-28 16:40:01,377 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-10-28 16:40:01,377 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-10-28 16:40:01,377 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:40:01,378 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 16:40:01,378 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:40:01,378 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:40:01,378 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 367 374) no Hoare annotation was computed. [2020-10-28 16:40:01,378 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 367 374) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:40:01,378 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 367 374) no Hoare annotation was computed. [2020-10-28 16:40:01,378 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 833 844) no Hoare annotation was computed. [2020-10-28 16:40:01,378 INFO L274 CegarLoopResult]: For program point L837-1(lines 833 844) no Hoare annotation was computed. [2020-10-28 16:40:01,378 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 833 844) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:40:01,379 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 809 816) no Hoare annotation was computed. [2020-10-28 16:40:01,379 INFO L274 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-10-28 16:40:01,379 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 809 816) the Hoare annotation is: true [2020-10-28 16:40:01,379 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 809 816) no Hoare annotation was computed. [2020-10-28 16:40:01,379 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 45 69) the Hoare annotation is: true [2020-10-28 16:40:01,379 INFO L270 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-28 16:40:01,379 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-10-28 16:40:01,379 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 45 69) no Hoare annotation was computed. [2020-10-28 16:40:01,379 INFO L277 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: true [2020-10-28 16:40:01,379 INFO L274 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-10-28 16:40:01,380 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-10-28 16:40:01,380 INFO L274 CegarLoopResult]: For program point L53-1(lines 45 69) no Hoare annotation was computed. [2020-10-28 16:40:01,380 INFO L277 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: true [2020-10-28 16:40:01,380 INFO L274 CegarLoopResult]: For program point L51-1(line 51) no Hoare annotation was computed. [2020-10-28 16:40:01,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:40:01 BoogieIcfgContainer [2020-10-28 16:40:01,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:40:01,399 INFO L168 Benchmark]: Toolchain (without parser) took 36209.39 ms. Allocated memory was 153.1 MB in the beginning and 609.2 MB in the end (delta: 456.1 MB). Free memory was 127.5 MB in the beginning and 484.0 MB in the end (delta: -356.5 MB). Peak memory consumption was 361.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:01,400 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 153.1 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:40:01,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.90 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 106.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:01,401 INFO L168 Benchmark]: Boogie Preprocessor took 214.94 ms. Allocated memory is still 153.1 MB. Free memory was 106.1 MB in the beginning and 135.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:01,402 INFO L168 Benchmark]: RCFGBuilder took 1493.86 ms. Allocated memory is still 153.1 MB. Free memory was 135.0 MB in the beginning and 132.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:01,403 INFO L168 Benchmark]: TraceAbstraction took 33811.52 ms. Allocated memory was 153.1 MB in the beginning and 609.2 MB in the end (delta: 456.1 MB). Free memory was 132.3 MB in the beginning and 484.0 MB in the end (delta: -351.7 MB). Peak memory consumption was 365.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:40:01,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 153.1 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 670.90 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 106.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 214.94 ms. Allocated memory is still 153.1 MB. Free memory was 106.1 MB in the beginning and 135.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1493.86 ms. Allocated memory is still 153.1 MB. Free memory was 135.0 MB in the beginning and 132.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33811.52 ms. Allocated memory was 153.1 MB in the beginning and 609.2 MB in the end (delta: 456.1 MB). Free memory was 132.3 MB in the beginning and 484.0 MB in the end (delta: -351.7 MB). Peak memory consumption was 365.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 747]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 740]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 793]: 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: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 1 == systemActive) && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 483 SDslu, 92 SDs, 0 SdLazy, 603 SolverSat, 307 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=0, 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, 4 MinimizatonAttempts, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 174 PreInvPairs, 190 NumberOfFragments, 791 HoareAnnotationTreeSize, 174 FomulaSimplifications, 8119 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 5481 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 60262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...