/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:06:31,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:06:31,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:06:31,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:06:31,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:06:31,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:06:31,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:06:31,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:06:31,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:06:31,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:06:31,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:06:31,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:06:31,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:06:31,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:06:31,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:06:31,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:06:31,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:06:31,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:06:31,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:06:31,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:06:31,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:06:31,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:06:31,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:06:31,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:06:31,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:06:31,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:06:31,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:06:31,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:06:31,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:06:31,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:06:31,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:06:31,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:06:31,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:06:31,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:06:31,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:06:31,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:06:31,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:06:31,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:06:31,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:06:31,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:06:31,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:06:31,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:06:31,452 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:06:31,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:06:31,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:06:31,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:06:31,457 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:06:31,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:06:31,457 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:06:31,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:06:31,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:06:31,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:06:31,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:06:31,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:06:31,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:06:31,462 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:06:31,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:06:31,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:06:31,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:06:31,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:06:31,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:06:31,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:06:31,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:06:31,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:06:31,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:06:31,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:06:31,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:06:31,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:06:31,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:06:31,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:06:31,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:06:31,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:06:31,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:06:31,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:06:31,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:06:31,853 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:06:31,853 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:06:31,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c [2020-10-28 17:06:31,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/261378796/ec802d798c5f4188a532a18aa87a3660/FLAG72c066791 [2020-10-28 17:06:32,605 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:06:32,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c [2020-10-28 17:06:32,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/261378796/ec802d798c5f4188a532a18aa87a3660/FLAG72c066791 [2020-10-28 17:06:32,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/261378796/ec802d798c5f4188a532a18aa87a3660 [2020-10-28 17:06:32,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:06:32,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:06:32,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:06:32,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:06:32,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:06:32,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:06:32" (1/1) ... [2020-10-28 17:06:32,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53483ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:32, skipping insertion in model container [2020-10-28 17:06:32,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:06:32" (1/1) ... [2020-10-28 17:06:32,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:06:33,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:06:33,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:06:33,419 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:06:33,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:06:33,626 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:06:33,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33 WrapperNode [2020-10-28 17:06:33,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:06:33,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:06:33,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:06:33,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:06:33,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33" (1/1) ... [2020-10-28 17:06:33,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33" (1/1) ... [2020-10-28 17:06:33,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33" (1/1) ... [2020-10-28 17:06:33,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33" (1/1) ... [2020-10-28 17:06:33,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33" (1/1) ... [2020-10-28 17:06:33,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33" (1/1) ... [2020-10-28 17:06:33,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33" (1/1) ... [2020-10-28 17:06:33,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:06:33,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:06:33,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:06:33,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:06:33,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:06:33,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:06:33,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:06:33,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:06:33,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:06:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:06:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:06:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:06:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:06:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:06:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:06:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 17:06:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:06:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:06:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:06:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:06:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:06:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:06:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:06:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:06:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:06:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:06:33,803 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 17:06:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:06:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:06:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:06:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:06:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:06:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 17:06:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 17:06:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:06:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:06:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:06:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:06:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:06:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:06:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:06:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:06:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:06:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:06:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:06:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:06:33,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:06:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:06:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:06:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:06:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:06:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:06:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:06:33,807 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:06:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:06:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:06:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:06:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:06:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:06:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 17:06:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:06:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:06:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:06:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:06:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:06:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:06:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:06:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:06:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:06:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:06:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:06:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:06:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:06:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:06:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:06:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:06:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:06:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:06:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:06:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:06:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:06:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 17:06:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:06:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:06:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:06:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:06:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 17:06:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 17:06:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:06:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:06:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:06:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:06:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:06:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:06:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:06:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:06:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:06:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:06:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:06:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:06:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:06:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:06:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:06:35,229 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:06:35,230 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:06:35,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:35 BoogieIcfgContainer [2020-10-28 17:06:35,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:06:35,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:06:35,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:06:35,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:06:35,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:06:32" (1/3) ... [2020-10-28 17:06:35,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301084f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:35, skipping insertion in model container [2020-10-28 17:06:35,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:06:33" (2/3) ... [2020-10-28 17:06:35,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301084f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:35, skipping insertion in model container [2020-10-28 17:06:35,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:35" (3/3) ... [2020-10-28 17:06:35,247 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product26.cil.c [2020-10-28 17:06:35,260 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:06:35,266 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:06:35,281 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:06:35,335 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:06:35,338 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:06:35,339 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:06:35,339 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:06:35,339 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:06:35,339 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:06:35,340 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:06:35,340 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:06:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-28 17:06:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:06:35,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:35,422 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:35,423 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:35,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:35,439 INFO L82 PathProgramCache]: Analyzing trace with hash 124363249, now seen corresponding path program 1 times [2020-10-28 17:06:35,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:35,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953577991] [2020-10-28 17:06:35,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:35,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:36,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:37,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:37,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:38,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:40,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:40,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:06:40,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:06:40,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:40,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:40,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:06:40,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:40,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-28 17:06:41,713 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:41,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:41,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 17:06:41,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:41,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:41,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:41,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:41,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:41,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:41,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:41,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:41,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:41,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:41,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:41,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:41,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:41,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:41,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:41,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:41,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:41,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:41,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:41,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:41,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:06:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:41,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:41,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:41,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:41,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:41,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:41,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:06:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:41,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:41,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:41,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:41,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:41,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:41,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:41,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:41,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:41,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:41,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953577991] [2020-10-28 17:06:41,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:41,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:06:41,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742784021] [2020-10-28 17:06:41,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:06:41,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:41,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:06:41,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:41,907 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 4 states. [2020-10-28 17:06:43,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:43,616 INFO L93 Difference]: Finished difference Result 268 states and 346 transitions. [2020-10-28 17:06:43,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:06:43,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:06:43,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:43,632 INFO L225 Difference]: With dead ends: 268 [2020-10-28 17:06:43,633 INFO L226 Difference]: Without dead ends: 147 [2020-10-28 17:06:43,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:43,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-28 17:06:43,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 119. [2020-10-28 17:06:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-28 17:06:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-10-28 17:06:43,731 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 60 [2020-10-28 17:06:43,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:43,732 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-10-28 17:06:43,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:06:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-10-28 17:06:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 17:06:43,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:43,736 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:43,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:06:43,737 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:43,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:43,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1566427291, now seen corresponding path program 1 times [2020-10-28 17:06:43,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:43,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1254706566] [2020-10-28 17:06:43,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:43,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:43,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:44,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:45,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:48,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:48,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 17:06:48,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 17:06:48,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:48,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:48,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:48,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:06:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:06:48,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:49,565 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:49,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:49,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 17:06:49,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:49,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:49,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:49,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:49,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:49,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:49,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:49,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 17:06:49,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:49,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:49,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:49,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:49,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:49,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:06:49,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:49,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:49,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:06:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:49,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:49,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:49,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:49,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:49,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:49,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:06:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:49,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:49,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:49,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:06:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:49,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:49,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:49,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:49,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:49,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:49,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:49,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:49,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:49,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1254706566] [2020-10-28 17:06:49,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:49,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:49,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699738527] [2020-10-28 17:06:49,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:49,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:49,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:49,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:49,776 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2020-10-28 17:06:50,954 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:52,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:52,462 INFO L93 Difference]: Finished difference Result 206 states and 250 transitions. [2020-10-28 17:06:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:06:52,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 17:06:52,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:52,471 INFO L225 Difference]: With dead ends: 206 [2020-10-28 17:06:52,472 INFO L226 Difference]: Without dead ends: 137 [2020-10-28 17:06:52,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:52,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-28 17:06:52,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-10-28 17:06:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-28 17:06:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2020-10-28 17:06:52,526 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 61 [2020-10-28 17:06:52,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:52,527 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2020-10-28 17:06:52,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:52,527 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2020-10-28 17:06:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 17:06:52,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:52,530 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:52,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:06:52,530 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:52,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:52,531 INFO L82 PathProgramCache]: Analyzing trace with hash -245416264, now seen corresponding path program 1 times [2020-10-28 17:06:52,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:52,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467906983] [2020-10-28 17:06:52,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:52,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:53,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:53,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:54,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:57,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:57,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 17:06:57,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:57,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4613 [2020-10-28 17:06:57,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:57,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:57,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:06:57,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:57,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:06:57,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:58,000 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:58,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 17:06:58,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:58,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:58,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:06:58,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:58,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:58,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:58,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:58,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:58,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:58,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:58,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:58,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:58,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:58,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:58,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:58,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:58,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:58,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:58,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:58,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:58,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:58,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:58,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:58,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:58,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:58,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:58,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:58,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:58,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:58,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:58,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:58,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:58,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:58,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:06:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:58,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:58,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:58,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:58,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:06:58,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:58,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:58,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:58,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:58,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:58,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:58,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:58,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:58,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:58,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 17:06:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:58,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:58,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:58,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:58,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:58,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:58,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:58,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:58,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:58,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467906983] [2020-10-28 17:06:58,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:58,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:58,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129024067] [2020-10-28 17:06:58,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:58,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:58,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:58,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:58,217 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 5 states. [2020-10-28 17:06:59,034 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:07:00,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:07:00,590 INFO L93 Difference]: Finished difference Result 219 states and 269 transitions. [2020-10-28 17:07:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:07:00,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-10-28 17:07:00,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:07:00,596 INFO L225 Difference]: With dead ends: 219 [2020-10-28 17:07:00,596 INFO L226 Difference]: Without dead ends: 137 [2020-10-28 17:07:00,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:07:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-28 17:07:00,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-10-28 17:07:00,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-28 17:07:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2020-10-28 17:07:00,638 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 66 [2020-10-28 17:07:00,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:07:00,639 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2020-10-28 17:07:00,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:07:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2020-10-28 17:07:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-28 17:07:00,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:07:00,641 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:07:00,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:07:00,641 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:07:00,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:07:00,642 INFO L82 PathProgramCache]: Analyzing trace with hash 901995121, now seen corresponding path program 1 times [2020-10-28 17:07:00,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:07:00,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040400565] [2020-10-28 17:07:00,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:07:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:00,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:01,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:01,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:02,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:04,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:04,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:07:04,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:07:04,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3804 [2020-10-28 17:07:04,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:04,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:04,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:07:04,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 17:07:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 17:07:04,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,312 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:07:05,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:07:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 17:07:05,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:07:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:07:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:05,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:07:05,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:07:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:05,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:07:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:07:05,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:07:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:07:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:05,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 17:07:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:07:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:07:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:07:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:07:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:07:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:07:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:07:05,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:07:05,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:07:05,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:07:05,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:07:05,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:07:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:07:05,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:07:05,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:07:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:07:05,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 17:07:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:07:05,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:07:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:07:05,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:07:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:07:05,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:07:05,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:07:05,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:07:05,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:07:05,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:07:05,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:07:05,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:07:05,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:07:05,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:07:05,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:07:05,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:07:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:07:05,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040400565] [2020-10-28 17:07:05,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:07:05,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:07:05,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938004990] [2020-10-28 17:07:05,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:07:05,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:07:05,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:07:05,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:07:05,581 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand 9 states. [2020-10-28 17:07:06,478 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:07:08,049 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:07:09,553 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:07:10,363 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:07:10,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:07:10,517 INFO L93 Difference]: Finished difference Result 190 states and 236 transitions. [2020-10-28 17:07:10,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:07:10,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2020-10-28 17:07:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:07:10,520 INFO L225 Difference]: With dead ends: 190 [2020-10-28 17:07:10,520 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:07:10,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:07:10,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:07:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:07:10,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:07:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:07:10,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-10-28 17:07:10,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:07:10,523 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:07:10,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:07:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:07:10,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:07:10,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:07:10,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:07:12,283 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2020-10-28 17:07:12,836 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:07:13,465 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 11 [2020-10-28 17:07:14,119 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:07:14,750 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:07:15,348 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:07:15,928 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-28 17:07:16,586 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 17:07:17,240 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 17:07:17,841 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 17:07:18,480 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:07:19,128 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:07:19,726 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 17:07:20,340 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:07:21,104 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2020-10-28 17:07:21,823 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:07:22,472 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:07:22,508 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:07:22,509 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:07:22,509 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:07:22,509 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:07:22,509 INFO L274 CegarLoopResult]: For program point L221(lines 221 225) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point L221-1(lines 221 225) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point L215-2(lines 215 236) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 190 245) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point L237(lines 214 238) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 190 245) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 190 245) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point L278(lines 278 282) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 246 305) no Hoare annotation was computed. [2020-10-28 17:07:22,510 INFO L274 CegarLoopResult]: For program point L278-1(lines 278 282) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L274 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 246 305) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 297) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L274 CegarLoopResult]: For program point L298(lines 271 299) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 246 305) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L274 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L274 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 791 797) the Hoare annotation is: true [2020-10-28 17:07:22,511 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 791 797) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 798 806) no Hoare annotation was computed. [2020-10-28 17:07:22,511 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 798 806) the Hoare annotation is: true [2020-10-28 17:07:22,512 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 798 806) no Hoare annotation was computed. [2020-10-28 17:07:22,512 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 907 914) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 17:07:22,512 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 907 914) no Hoare annotation was computed. [2020-10-28 17:07:22,512 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 907 914) no Hoare annotation was computed. [2020-10-28 17:07:22,512 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 915 924) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 17:07:22,512 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 915 924) no Hoare annotation was computed. [2020-10-28 17:07:22,512 INFO L274 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2020-10-28 17:07:22,512 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 915 924) no Hoare annotation was computed. [2020-10-28 17:07:22,513 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 925 953) the Hoare annotation is: true [2020-10-28 17:07:22,513 INFO L270 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-28 17:07:22,513 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 925 953) no Hoare annotation was computed. [2020-10-28 17:07:22,513 INFO L274 CegarLoopResult]: For program point L938(lines 938 944) no Hoare annotation was computed. [2020-10-28 17:07:22,513 INFO L274 CegarLoopResult]: For program point L937(lines 937 947) no Hoare annotation was computed. [2020-10-28 17:07:22,513 INFO L277 CegarLoopResult]: At program point L935(line 935) the Hoare annotation is: true [2020-10-28 17:07:22,513 INFO L274 CegarLoopResult]: For program point L935-1(line 935) no Hoare annotation was computed. [2020-10-28 17:07:22,513 INFO L274 CegarLoopResult]: For program point L933(lines 933 950) no Hoare annotation was computed. [2020-10-28 17:07:22,514 INFO L274 CegarLoopResult]: For program point L933-1(lines 925 953) no Hoare annotation was computed. [2020-10-28 17:07:22,514 INFO L277 CegarLoopResult]: At program point L931(line 931) the Hoare annotation is: true [2020-10-28 17:07:22,514 INFO L274 CegarLoopResult]: For program point L931-1(line 931) no Hoare annotation was computed. [2020-10-28 17:07:22,514 INFO L270 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,514 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,514 INFO L270 CegarLoopResult]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,514 INFO L274 CegarLoopResult]: For program point L892(lines 892 899) no Hoare annotation was computed. [2020-10-28 17:07:22,514 INFO L274 CegarLoopResult]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2020-10-28 17:07:22,515 INFO L274 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-10-28 17:07:22,515 INFO L270 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,515 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2020-10-28 17:07:22,515 INFO L270 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,515 INFO L270 CegarLoopResult]: At program point L888-1(line 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,515 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2020-10-28 17:07:22,515 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 839 862) no Hoare annotation was computed. [2020-10-28 17:07:22,515 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 839 862) no Hoare annotation was computed. [2020-10-28 17:07:22,515 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 839 862) no Hoare annotation was computed. [2020-10-28 17:07:22,515 INFO L274 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-10-28 17:07:22,516 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 629 637) no Hoare annotation was computed. [2020-10-28 17:07:22,517 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 629 637) the Hoare annotation is: true [2020-10-28 17:07:22,517 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 629 637) no Hoare annotation was computed. [2020-10-28 17:07:22,517 INFO L274 CegarLoopResult]: For program point L683(lines 683 687) no Hoare annotation was computed. [2020-10-28 17:07:22,517 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 674 692) the Hoare annotation is: true [2020-10-28 17:07:22,517 INFO L277 CegarLoopResult]: At program point L681(line 681) the Hoare annotation is: true [2020-10-28 17:07:22,517 INFO L274 CegarLoopResult]: For program point L683-2(lines 683 687) no Hoare annotation was computed. [2020-10-28 17:07:22,517 INFO L274 CegarLoopResult]: For program point L681-1(line 681) no Hoare annotation was computed. [2020-10-28 17:07:22,517 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 674 692) no Hoare annotation was computed. [2020-10-28 17:07:22,517 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 674 692) no Hoare annotation was computed. [2020-10-28 17:07:22,517 INFO L274 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-10-28 17:07:22,517 INFO L274 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-10-28 17:07:22,517 INFO L274 CegarLoopResult]: For program point L657(lines 657 665) no Hoare annotation was computed. [2020-10-28 17:07:22,518 INFO L274 CegarLoopResult]: For program point L657-2(lines 657 665) no Hoare annotation was computed. [2020-10-28 17:07:22,518 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 638 673) no Hoare annotation was computed. [2020-10-28 17:07:22,518 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 638 673) no Hoare annotation was computed. [2020-10-28 17:07:22,518 INFO L274 CegarLoopResult]: For program point L645(lines 645 653) no Hoare annotation was computed. [2020-10-28 17:07:22,518 INFO L274 CegarLoopResult]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2020-10-28 17:07:22,518 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 638 673) no Hoare annotation was computed. [2020-10-28 17:07:22,518 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 784 790) no Hoare annotation was computed. [2020-10-28 17:07:22,518 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 784 790) the Hoare annotation is: true [2020-10-28 17:07:22,519 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 144 189) no Hoare annotation was computed. [2020-10-28 17:07:22,519 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 144 189) no Hoare annotation was computed. [2020-10-28 17:07:22,519 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 144 189) no Hoare annotation was computed. [2020-10-28 17:07:22,519 INFO L274 CegarLoopResult]: For program point L481(lines 481 482) no Hoare annotation was computed. [2020-10-28 17:07:22,519 INFO L274 CegarLoopResult]: For program point L477(lines 477 484) no Hoare annotation was computed. [2020-10-28 17:07:22,519 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 457 502) no Hoare annotation was computed. [2020-10-28 17:07:22,519 INFO L274 CegarLoopResult]: For program point L471(lines 471 491) no Hoare annotation was computed. [2020-10-28 17:07:22,519 INFO L274 CegarLoopResult]: For program point L471-1(lines 471 491) no Hoare annotation was computed. [2020-10-28 17:07:22,520 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 481 482) no Hoare annotation was computed. [2020-10-28 17:07:22,520 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 488 489) no Hoare annotation was computed. [2020-10-28 17:07:22,520 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 457 502) no Hoare annotation was computed. [2020-10-28 17:07:22,520 INFO L274 CegarLoopResult]: For program point L488(lines 488 489) no Hoare annotation was computed. [2020-10-28 17:07:22,520 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 457 502) no Hoare annotation was computed. [2020-10-28 17:07:22,520 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 871 881) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,520 INFO L270 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-28 17:07:22,520 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 871 881) no Hoare annotation was computed. [2020-10-28 17:07:22,521 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 871 881) no Hoare annotation was computed. [2020-10-28 17:07:22,521 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 618 628) no Hoare annotation was computed. [2020-10-28 17:07:22,521 INFO L274 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-10-28 17:07:22,521 INFO L274 CegarLoopResult]: For program point L623-1(line 623) no Hoare annotation was computed. [2020-10-28 17:07:22,521 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 618 628) no Hoare annotation was computed. [2020-10-28 17:07:22,521 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 618 628) no Hoare annotation was computed. [2020-10-28 17:07:22,521 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 610 617) the Hoare annotation is: true [2020-10-28 17:07:22,521 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 610 617) no Hoare annotation was computed. [2020-10-28 17:07:22,521 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 610 617) no Hoare annotation was computed. [2020-10-28 17:07:22,521 INFO L274 CegarLoopResult]: For program point L578-1(lines 559 583) no Hoare annotation was computed. [2020-10-28 17:07:22,522 INFO L270 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,522 INFO L270 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,522 INFO L274 CegarLoopResult]: For program point L567(lines 567 575) no Hoare annotation was computed. [2020-10-28 17:07:22,522 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 559 583) no Hoare annotation was computed. [2020-10-28 17:07:22,522 INFO L270 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,522 INFO L274 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-10-28 17:07:22,522 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 559 583) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,522 INFO L274 CegarLoopResult]: For program point L563(lines 563 580) no Hoare annotation was computed. [2020-10-28 17:07:22,522 INFO L270 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,523 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 551 557) no Hoare annotation was computed. [2020-10-28 17:07:22,523 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 551 557) the Hoare annotation is: true [2020-10-28 17:07:22,523 INFO L270 CegarLoopResult]: At program point testENTRY(lines 703 768) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,523 INFO L270 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,523 INFO L274 CegarLoopResult]: For program point L733(lines 733 739) no Hoare annotation was computed. [2020-10-28 17:07:22,523 INFO L274 CegarLoopResult]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2020-10-28 17:07:22,523 INFO L274 CegarLoopResult]: For program point testFINAL(lines 703 768) no Hoare annotation was computed. [2020-10-28 17:07:22,523 INFO L270 CegarLoopResult]: At program point L758(lines 713 760) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,524 INFO L270 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,524 INFO L274 CegarLoopResult]: For program point L723(lines 723 729) no Hoare annotation was computed. [2020-10-28 17:07:22,524 INFO L274 CegarLoopResult]: For program point L723-1(lines 723 729) no Hoare annotation was computed. [2020-10-28 17:07:22,524 INFO L274 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-10-28 17:07:22,524 INFO L270 CegarLoopResult]: At program point L761(lines 712 762) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,524 INFO L274 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2020-10-28 17:07:22,524 INFO L270 CegarLoopResult]: At program point L751-2(lines 743 756) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,524 INFO L274 CegarLoopResult]: For program point L714(lines 713 760) no Hoare annotation was computed. [2020-10-28 17:07:22,525 INFO L270 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,525 INFO L274 CegarLoopResult]: For program point L743(lines 743 756) no Hoare annotation was computed. [2020-10-28 17:07:22,525 INFO L274 CegarLoopResult]: For program point testEXIT(lines 703 768) no Hoare annotation was computed. [2020-10-28 17:07:22,525 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 435 436) no Hoare annotation was computed. [2020-10-28 17:07:22,525 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 442 443) no Hoare annotation was computed. [2020-10-28 17:07:22,525 INFO L274 CegarLoopResult]: For program point L442(lines 442 443) no Hoare annotation was computed. [2020-10-28 17:07:22,525 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 411 456) no Hoare annotation was computed. [2020-10-28 17:07:22,525 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 411 456) no Hoare annotation was computed. [2020-10-28 17:07:22,525 INFO L274 CegarLoopResult]: For program point L435(lines 435 436) no Hoare annotation was computed. [2020-10-28 17:07:22,525 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 411 456) no Hoare annotation was computed. [2020-10-28 17:07:22,526 INFO L274 CegarLoopResult]: For program point L431(lines 431 438) no Hoare annotation was computed. [2020-10-28 17:07:22,526 INFO L274 CegarLoopResult]: For program point L425(lines 425 445) no Hoare annotation was computed. [2020-10-28 17:07:22,526 INFO L274 CegarLoopResult]: For program point L425-1(lines 425 445) no Hoare annotation was computed. [2020-10-28 17:07:22,526 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 584 591) no Hoare annotation was computed. [2020-10-28 17:07:22,526 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 584 591) no Hoare annotation was computed. [2020-10-28 17:07:22,526 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 584 591) no Hoare annotation was computed. [2020-10-28 17:07:22,526 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 128 136) no Hoare annotation was computed. [2020-10-28 17:07:22,526 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 128 136) the Hoare annotation is: true [2020-10-28 17:07:22,526 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 128 136) no Hoare annotation was computed. [2020-10-28 17:07:22,526 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 96 118) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 96 118) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 96 118) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 308 410) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point L378(lines 356 379) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point L337(lines 337 353) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point L397(lines 397 404) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point L358(lines 357 377) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 308 410) no Hoare annotation was computed. [2020-10-28 17:07:22,527 INFO L274 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point L389-1(line 389) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point L354(lines 354 395) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 308 410) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point L332(lines 332 336) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point L396(lines 396 407) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point L357-2(lines 357 377) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 774 783) no Hoare annotation was computed. [2020-10-28 17:07:22,528 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 774 783) no Hoare annotation was computed. [2020-10-28 17:07:22,529 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 774 783) no Hoare annotation was computed. [2020-10-28 17:07:22,529 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:07:22,529 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.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~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 17:07:22,529 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:07:22,529 INFO L274 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-10-28 17:07:22,529 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 593 609) no Hoare annotation was computed. [2020-10-28 17:07:22,529 INFO L274 CegarLoopResult]: For program point L604-1(lines 593 609) no Hoare annotation was computed. [2020-10-28 17:07:22,530 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 593 609) no Hoare annotation was computed. [2020-10-28 17:07:22,530 INFO L274 CegarLoopResult]: For program point L600(lines 600 606) no Hoare annotation was computed. [2020-10-28 17:07:22,530 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-10-28 17:07:22,530 INFO L274 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-10-28 17:07:22,530 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 119 127) the Hoare annotation is: true [2020-10-28 17:07:22,530 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 119 127) no Hoare annotation was computed. [2020-10-28 17:07:22,530 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 119 127) no Hoare annotation was computed. [2020-10-28 17:07:22,530 INFO L274 CegarLoopResult]: For program point L79-1(lines 75 86) no Hoare annotation was computed. [2020-10-28 17:07:22,530 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 75 86) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 17:07:22,530 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 75 86) no Hoare annotation was computed. [2020-10-28 17:07:22,531 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:07:22,531 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:07:22,531 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:07:22,531 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 87 95) no Hoare annotation was computed. [2020-10-28 17:07:22,531 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 87 95) no Hoare annotation was computed. [2020-10-28 17:07:22,531 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 87 95) no Hoare annotation was computed. [2020-10-28 17:07:22,531 INFO L270 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-28 17:07:22,531 INFO L270 CegarLoopResult]: At program point L538(lines 538 544) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-28 17:07:22,531 INFO L270 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,532 INFO L274 CegarLoopResult]: For program point L531(lines 527 549) no Hoare annotation was computed. [2020-10-28 17:07:22,532 INFO L274 CegarLoopResult]: For program point L529(lines 527 549) no Hoare annotation was computed. [2020-10-28 17:07:22,532 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 524 550) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:07:22,532 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 524 550) no Hoare annotation was computed. [2020-10-28 17:07:22,532 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 524 550) no Hoare annotation was computed. [2020-10-28 17:07:22,532 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 809 838) no Hoare annotation was computed. [2020-10-28 17:07:22,532 INFO L274 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-10-28 17:07:22,532 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 809 838) the Hoare annotation is: true [2020-10-28 17:07:22,532 INFO L274 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-10-28 17:07:22,533 INFO L277 CegarLoopResult]: At program point L823-1(lines 823 827) the Hoare annotation is: true [2020-10-28 17:07:22,533 INFO L274 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-10-28 17:07:22,533 INFO L277 CegarLoopResult]: At program point L819-2(lines 819 833) the Hoare annotation is: true [2020-10-28 17:07:22,533 INFO L277 CegarLoopResult]: At program point L815(line 815) the Hoare annotation is: true [2020-10-28 17:07:22,533 INFO L274 CegarLoopResult]: For program point L815-1(line 815) no Hoare annotation was computed. [2020-10-28 17:07:22,533 INFO L277 CegarLoopResult]: At program point L834(lines 809 838) the Hoare annotation is: true [2020-10-28 17:07:22,533 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 51 62) the Hoare annotation is: true [2020-10-28 17:07:22,533 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 51 62) no Hoare annotation was computed. [2020-10-28 17:07:22,533 INFO L274 CegarLoopResult]: For program point L55-1(lines 51 62) no Hoare annotation was computed. [2020-10-28 17:07:22,533 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 863 869) no Hoare annotation was computed. [2020-10-28 17:07:22,534 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 863 869) the Hoare annotation is: true [2020-10-28 17:07:22,534 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:07:22,534 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-28 17:07:22,534 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:07:22,534 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:07:22,534 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 693 700) no Hoare annotation was computed. [2020-10-28 17:07:22,534 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 693 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-28 17:07:22,534 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 693 700) no Hoare annotation was computed. [2020-10-28 17:07:22,534 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 63 74) no Hoare annotation was computed. [2020-10-28 17:07:22,534 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 63 74) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 17:07:22,534 INFO L274 CegarLoopResult]: For program point L67-1(lines 63 74) no Hoare annotation was computed. [2020-10-28 17:07:22,535 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 504 511) no Hoare annotation was computed. [2020-10-28 17:07:22,535 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 17:07:22,535 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 504 511) the Hoare annotation is: true [2020-10-28 17:07:22,535 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 504 511) no Hoare annotation was computed. [2020-10-28 17:07:22,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:07:22 BoogieIcfgContainer [2020-10-28 17:07:22,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:07:22,555 INFO L168 Benchmark]: Toolchain (without parser) took 49627.96 ms. Allocated memory was 163.6 MB in the beginning and 574.6 MB in the end (delta: 411.0 MB). Free memory was 137.5 MB in the beginning and 274.6 MB in the end (delta: -137.1 MB). Peak memory consumption was 339.7 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:22,555 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 163.6 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:07:22,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.42 ms. Allocated memory is still 163.6 MB. Free memory was 136.9 MB in the beginning and 115.7 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:22,557 INFO L168 Benchmark]: Boogie Preprocessor took 92.02 ms. Allocated memory is still 163.6 MB. Free memory was 115.7 MB in the beginning and 111.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:22,558 INFO L168 Benchmark]: RCFGBuilder took 1511.79 ms. Allocated memory is still 163.6 MB. Free memory was 111.8 MB in the beginning and 68.1 MB in the end (delta: 43.6 MB). Peak memory consumption was 44.4 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:22,559 INFO L168 Benchmark]: TraceAbstraction took 47314.23 ms. Allocated memory was 163.6 MB in the beginning and 574.6 MB in the end (delta: 411.0 MB). Free memory was 67.6 MB in the beginning and 274.6 MB in the end (delta: -206.9 MB). Peak memory consumption was 269.1 MB. Max. memory is 8.0 GB. [2020-10-28 17:07:22,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 163.6 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 693.42 ms. Allocated memory is still 163.6 MB. Free memory was 136.9 MB in the beginning and 115.7 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.02 ms. Allocated memory is still 163.6 MB. Free memory was 115.7 MB in the beginning and 111.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1511.79 ms. Allocated memory is still 163.6 MB. Free memory was 111.8 MB in the beginning and 68.1 MB in the end (delta: 43.6 MB). Peak memory consumption was 44.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 47314.23 ms. Allocated memory was 163.6 MB in the beginning and 574.6 MB in the end (delta: 411.0 MB). Free memory was 67.6 MB in the beginning and 274.6 MB in the end (delta: -206.9 MB). Peak memory consumption was 269.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 442]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 481]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 488]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 247 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 390 SDtfs, 478 SDslu, 208 SDs, 0 SdLazy, 731 SolverSat, 316 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 88 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred 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, 82 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 192 PreInvPairs, 212 NumberOfFragments, 727 HoareAnnotationTreeSize, 192 FomulaSimplifications, 11486 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 5439 FormulaSimplificationTreeSizeReductionInter, 10.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.4s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 76761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...