/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:43:24,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:43:24,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:43:24,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:43:24,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:43:24,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:43:24,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:43:24,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:43:24,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:43:24,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:43:24,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:43:24,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:43:24,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:43:24,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:43:24,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:43:24,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:43:24,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:43:24,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:43:24,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:43:24,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:43:24,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:43:24,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:43:24,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:43:24,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:43:24,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:43:24,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:43:24,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:43:24,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:43:24,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:43:24,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:43:24,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:43:24,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:43:24,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:43:24,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:43:24,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:43:24,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:43:24,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:43:24,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:43:24,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:43:24,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:43:24,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:43:24,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 11:43:24,539 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:43:24,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:43:24,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:43:24,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:43:24,541 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:43:24,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:43:24,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:43:24,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:43:24,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:43:24,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:43:24,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:43:24,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:43:24,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:43:24,543 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:43:24,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:43:24,544 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:43:24,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:43:24,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:43:24,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:43:24,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:43:24,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:43:24,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:43:24,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:43:24,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:43:24,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:43:24,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:43:24,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:43:24,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:43:24,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:43:24,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:43:24,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:43:24,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:43:24,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:43:24,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:43:24,953 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:43:24,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2020-10-29 11:43:25,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3202799f7/bb7fba0b240548b38f92e6fbd43af22d/FLAGa6826eba1 [2020-10-29 11:43:25,696 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:43:25,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2020-10-29 11:43:25,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3202799f7/bb7fba0b240548b38f92e6fbd43af22d/FLAGa6826eba1 [2020-10-29 11:43:25,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3202799f7/bb7fba0b240548b38f92e6fbd43af22d [2020-10-29 11:43:25,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:43:26,002 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:43:26,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:43:26,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:43:26,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:43:26,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:43:25" (1/1) ... [2020-10-29 11:43:26,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341f7d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26, skipping insertion in model container [2020-10-29 11:43:26,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:43:25" (1/1) ... [2020-10-29 11:43:26,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:43:26,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:43:26,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:43:26,504 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:43:26,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:43:26,721 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:43:26,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26 WrapperNode [2020-10-29 11:43:26,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:43:26,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:43:26,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:43:26,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:43:26,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26" (1/1) ... [2020-10-29 11:43:26,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26" (1/1) ... [2020-10-29 11:43:26,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26" (1/1) ... [2020-10-29 11:43:26,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26" (1/1) ... [2020-10-29 11:43:26,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26" (1/1) ... [2020-10-29 11:43:26,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26" (1/1) ... [2020-10-29 11:43:26,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26" (1/1) ... [2020-10-29 11:43:26,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:43:26,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:43:26,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:43:26,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:43:26,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:43:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:43:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:43:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:43:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:43:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:43:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:43:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-29 11:43:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:43:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:43:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:43:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:43:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:43:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:43:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:43:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:43:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:43:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:43:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:43:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:43:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:43:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:43:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:43:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:43:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:43:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:43:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:43:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:43:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:43:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:43:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:43:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:43:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:43:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:43:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:43:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:43:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:43:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:43:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:43:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:43:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:43:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:43:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:43:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:43:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:43:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:43:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:43:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:43:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:43:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:43:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:43:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:43:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:43:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:43:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:43:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:43:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:43:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:43:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:43:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-29 11:43:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:43:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:43:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:43:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:43:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:43:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:43:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:43:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:43:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:43:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:43:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:43:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:43:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:43:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:43:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:43:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:43:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:43:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:43:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:43:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:43:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:43:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:43:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:43:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:43:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:43:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:43:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:43:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:43:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:43:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:43:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:43:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:43:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:43:28,259 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:43:28,259 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:43:28,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:43:28 BoogieIcfgContainer [2020-10-29 11:43:28,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:43:28,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:43:28,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:43:28,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:43:28,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:43:25" (1/3) ... [2020-10-29 11:43:28,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540072ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:43:28, skipping insertion in model container [2020-10-29 11:43:28,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:26" (2/3) ... [2020-10-29 11:43:28,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540072ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:43:28, skipping insertion in model container [2020-10-29 11:43:28,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:43:28" (3/3) ... [2020-10-29 11:43:28,289 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2020-10-29 11:43:28,302 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:43:28,307 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:43:28,322 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:43:28,355 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:43:28,355 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:43:28,356 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:43:28,356 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:43:28,356 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:43:28,357 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:43:28,357 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:43:28,357 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:43:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-29 11:43:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:43:28,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:43:28,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:43:28,409 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:43:28,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:43:28,422 INFO L82 PathProgramCache]: Analyzing trace with hash -472417138, now seen corresponding path program 1 times [2020-10-29 11:43:28,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:43:28,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1653321189] [2020-10-29 11:43:28,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:43:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:28,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:29,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:29,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:30,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:30,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:33,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:33,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:43:33,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:43:33,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-29 11:43:33,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:33,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:43:33,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 11:43:34,295 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:43:34,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:43:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:34,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:34,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:34,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:34,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:34,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 11:43:34,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:34,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:34,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:34,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:34,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:43:34,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:34,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:43:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:34,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:34,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:34,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:34,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:34,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:34,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:43:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:34,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:34,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:34,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:34,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:34,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:34,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:34,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:34,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:34,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:43:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:34,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:34,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:34,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:34,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:43:34,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:34,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:34,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:34,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:43:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:34,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:34,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:34,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:34,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:34,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:34,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:34,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:34,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:34,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:34,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:43:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:34,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:34,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:34,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:34,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:43:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:43:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:34,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:43:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:34,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:34,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:34,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:34,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:34,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:34,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:43:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:43:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:43:34,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1653321189] [2020-10-29 11:43:34,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:43:34,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:43:34,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557887484] [2020-10-29 11:43:34,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:43:34,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:43:34,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:43:34,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:43:34,597 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-10-29 11:43:35,235 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:43:36,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:43:36,765 INFO L93 Difference]: Finished difference Result 290 states and 380 transitions. [2020-10-29 11:43:36,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:43:36,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:43:36,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:43:36,781 INFO L225 Difference]: With dead ends: 290 [2020-10-29 11:43:36,781 INFO L226 Difference]: Without dead ends: 155 [2020-10-29 11:43:36,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:43:36,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-29 11:43:36,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-10-29 11:43:36,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-29 11:43:36,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-10-29 11:43:36,890 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-10-29 11:43:36,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:43:36,890 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-10-29 11:43:36,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:43:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-10-29 11:43:36,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 11:43:36,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:43:36,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:43:36,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:43:36,896 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:43:36,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:43:36,896 INFO L82 PathProgramCache]: Analyzing trace with hash 900808943, now seen corresponding path program 1 times [2020-10-29 11:43:36,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:43:36,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414607478] [2020-10-29 11:43:36,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:43:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:36,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:38,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:38,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:38,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:40,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:41,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:41,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:43:41,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:43:41,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-29 11:43:41,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:41,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:43:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:43:41,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:42,462 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:43:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:43:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:42,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 11:43:42,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:43:42,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:43:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:42,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:42,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:42,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:43:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:42,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:42,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:42,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:42,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:42,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:43:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:42,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:43:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:43:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:42,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 11:43:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:43:42,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:43:42,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:43:42,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:43:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:43:42,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:42,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:43:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:43:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:43:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:42,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:42,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:43:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:43:42,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 11:43:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:42,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:43:42,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:43:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 11:43:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:42,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:42,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:42,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:42,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:42,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:42,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:42,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:43:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:43:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:42,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:43:42,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1414607478] [2020-10-29 11:43:42,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:43:42,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:43:42,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686664115] [2020-10-29 11:43:42,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:43:42,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:43:42,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:43:42,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:43:42,783 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2020-10-29 11:43:43,366 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:43:45,074 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:43:45,562 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:43:45,990 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:43:46,407 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:43:47,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:43:47,874 INFO L93 Difference]: Finished difference Result 387 states and 523 transitions. [2020-10-29 11:43:47,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:43:47,875 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-10-29 11:43:47,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:43:47,881 INFO L225 Difference]: With dead ends: 387 [2020-10-29 11:43:47,881 INFO L226 Difference]: Without dead ends: 288 [2020-10-29 11:43:47,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:43:47,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-29 11:43:47,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 221. [2020-10-29 11:43:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-29 11:43:47,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 269 transitions. [2020-10-29 11:43:47,984 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 269 transitions. Word has length 61 [2020-10-29 11:43:47,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:43:47,985 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 269 transitions. [2020-10-29 11:43:47,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:43:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 269 transitions. [2020-10-29 11:43:47,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-29 11:43:47,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:43:47,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:43:47,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:43:47,989 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:43:47,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:43:47,990 INFO L82 PathProgramCache]: Analyzing trace with hash -82901323, now seen corresponding path program 1 times [2020-10-29 11:43:47,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:43:47,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632261254] [2020-10-29 11:43:47,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:43:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:48,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:48,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:48,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:48,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:52,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 11:43:53,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:43:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5182 [2020-10-29 11:43:53,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:43:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 11:43:53,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:53,664 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:43:53,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:43:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:53,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:53,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 11:43:53,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:43:53,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:43:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:53,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:53,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:53,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:53,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:53,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:53,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:43:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:53,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:53,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:53,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:53,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:43:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:53,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:53,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:53,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:53,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:43:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:53,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:53,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:53,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:53,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:53,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:53,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:43:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:53,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:53,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:53,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:43:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:43:53,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:43:53,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 11:43:53,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:43:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:43:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:43:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:43:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:43:53,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:43:53,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:43:53,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:43:53,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:43:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:43:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:43:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:53,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:53,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:53,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:53,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:53,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:53,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 11:43:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:53,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:53,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:53,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:53,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:53,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:53,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 11:43:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:53,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:53,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:53,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:53,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:53,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:43:53,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:53,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:43:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:53,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:53,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:43:53,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632261254] [2020-10-29 11:43:53,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:43:53,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 11:43:53,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868631390] [2020-10-29 11:43:53,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:43:53,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:43:53,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:43:53,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:43:53,999 INFO L87 Difference]: Start difference. First operand 221 states and 269 transitions. Second operand 11 states. [2020-10-29 11:43:54,580 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:43:55,980 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:43:56,431 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:43:56,846 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:43:57,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:43:57,089 INFO L93 Difference]: Finished difference Result 350 states and 452 transitions. [2020-10-29 11:43:57,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:43:57,090 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 65 [2020-10-29 11:43:57,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:43:57,091 INFO L225 Difference]: With dead ends: 350 [2020-10-29 11:43:57,091 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:43:57,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2020-10-29 11:43:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:43:57,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:43:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:43:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:43:57,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-10-29 11:43:57,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:43:57,097 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:43:57,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:43:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:43:57,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:43:57,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:43:57,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:44:00,141 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:44:00,413 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:44:00,958 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:44:01,277 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:44:01,574 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:44:01,906 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:44:02,513 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:44:03,078 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:44:03,655 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:44:03,963 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:44:04,509 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:44:04,792 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:44:05,357 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2020-10-29 11:44:05,670 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:44:05,959 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:44:06,511 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-29 11:44:06,804 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:44:07,359 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:44:07,902 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:44:08,208 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:44:08,487 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:44:08,779 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:44:09,087 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:44:09,691 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:44:10,341 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:44:10,898 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:44:10,903 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:44:10,903 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:44:10,903 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:44:10,903 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:44:10,903 INFO L274 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-10-29 11:44:10,904 INFO L274 CegarLoopResult]: For program point L384-2(lines 384 405) no Hoare annotation was computed. [2020-10-29 11:44:10,904 INFO L274 CegarLoopResult]: For program point L406(lines 383 407) no Hoare annotation was computed. [2020-10-29 11:44:10,904 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 359 414) no Hoare annotation was computed. [2020-10-29 11:44:10,904 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 359 414) no Hoare annotation was computed. [2020-10-29 11:44:10,904 INFO L274 CegarLoopResult]: For program point L390(lines 390 394) no Hoare annotation was computed. [2020-10-29 11:44:10,904 INFO L274 CegarLoopResult]: For program point L390-1(lines 390 394) no Hoare annotation was computed. [2020-10-29 11:44:10,905 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 359 414) no Hoare annotation was computed. [2020-10-29 11:44:10,905 INFO L274 CegarLoopResult]: For program point L447(lines 447 451) no Hoare annotation was computed. [2020-10-29 11:44:10,905 INFO L274 CegarLoopResult]: For program point L447-1(lines 447 451) no Hoare annotation was computed. [2020-10-29 11:44:10,905 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-29 11:44:10,905 INFO L274 CegarLoopResult]: For program point L441-2(lines 441 466) no Hoare annotation was computed. [2020-10-29 11:44:10,905 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 415 474) no Hoare annotation was computed. [2020-10-29 11:44:10,905 INFO L274 CegarLoopResult]: For program point L467(lines 440 468) no Hoare annotation was computed. [2020-10-29 11:44:10,905 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 415 474) no Hoare annotation was computed. [2020-10-29 11:44:10,906 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-29 11:44:10,906 INFO L274 CegarLoopResult]: For program point L460-1(line 460) no Hoare annotation was computed. [2020-10-29 11:44:10,906 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 415 474) no Hoare annotation was computed. [2020-10-29 11:44:10,906 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 694 700) the Hoare annotation is: true [2020-10-29 11:44:10,906 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 694 700) no Hoare annotation was computed. [2020-10-29 11:44:10,906 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 701 709) no Hoare annotation was computed. [2020-10-29 11:44:10,906 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 701 709) the Hoare annotation is: true [2020-10-29 11:44:10,906 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 701 709) no Hoare annotation was computed. [2020-10-29 11:44:10,906 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 808 832) the Hoare annotation is: true [2020-10-29 11:44:10,907 INFO L270 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:44:10,907 INFO L274 CegarLoopResult]: For program point L820(lines 820 826) no Hoare annotation was computed. [2020-10-29 11:44:10,907 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 808 832) no Hoare annotation was computed. [2020-10-29 11:44:10,907 INFO L270 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:44:10,907 INFO L274 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-10-29 11:44:10,907 INFO L274 CegarLoopResult]: For program point L816(lines 816 829) no Hoare annotation was computed. [2020-10-29 11:44:10,907 INFO L274 CegarLoopResult]: For program point L816-1(lines 808 832) no Hoare annotation was computed. [2020-10-29 11:44:10,907 INFO L277 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: true [2020-10-29 11:44:10,907 INFO L274 CegarLoopResult]: For program point L814-1(line 814) no Hoare annotation was computed. [2020-10-29 11:44:10,908 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 783 805) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:44:10,908 INFO L270 CegarLoopResult]: At program point L795(line 795) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:44:10,908 INFO L270 CegarLoopResult]: At program point L795-1(line 795) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:44:10,908 INFO L274 CegarLoopResult]: For program point L793(lines 793 800) no Hoare annotation was computed. [2020-10-29 11:44:10,908 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 783 805) no Hoare annotation was computed. [2020-10-29 11:44:10,908 INFO L274 CegarLoopResult]: For program point L793-1(lines 793 800) no Hoare annotation was computed. [2020-10-29 11:44:10,908 INFO L274 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-10-29 11:44:10,909 INFO L270 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:44:10,909 INFO L270 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:44:10,909 INFO L270 CegarLoopResult]: At program point L789-1(line 789) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:44:10,909 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 783 805) no Hoare annotation was computed. [2020-10-29 11:44:10,909 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 742 765) no Hoare annotation was computed. [2020-10-29 11:44:10,909 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 742 765) no Hoare annotation was computed. [2020-10-29 11:44:10,909 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 742 765) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L757(line 757) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L756(line 756) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-10-29 11:44:10,910 INFO L274 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-10-29 11:44:10,911 INFO L274 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-10-29 11:44:10,911 INFO L274 CegarLoopResult]: For program point L749(line 749) no Hoare annotation was computed. [2020-10-29 11:44:10,911 INFO L274 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-10-29 11:44:10,911 INFO L274 CegarLoopResult]: For program point L747(line 747) no Hoare annotation was computed. [2020-10-29 11:44:10,911 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 165 173) no Hoare annotation was computed. [2020-10-29 11:44:10,911 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 165 173) the Hoare annotation is: true [2020-10-29 11:44:10,911 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 165 173) no Hoare annotation was computed. [2020-10-29 11:44:10,911 INFO L274 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-10-29 11:44:10,911 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 210 228) the Hoare annotation is: true [2020-10-29 11:44:10,912 INFO L277 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: true [2020-10-29 11:44:10,912 INFO L274 CegarLoopResult]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2020-10-29 11:44:10,912 INFO L274 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-10-29 11:44:10,912 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 210 228) no Hoare annotation was computed. [2020-10-29 11:44:10,912 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 210 228) no Hoare annotation was computed. [2020-10-29 11:44:10,912 INFO L274 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-10-29 11:44:10,912 INFO L274 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-10-29 11:44:10,912 INFO L274 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2020-10-29 11:44:10,912 INFO L274 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2020-10-29 11:44:10,912 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 174 209) no Hoare annotation was computed. [2020-10-29 11:44:10,913 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 11:44:10,913 INFO L274 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-10-29 11:44:10,913 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 174 209) no Hoare annotation was computed. [2020-10-29 11:44:10,913 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 174 209) no Hoare annotation was computed. [2020-10-29 11:44:10,913 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 687 693) no Hoare annotation was computed. [2020-10-29 11:44:10,913 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 687 693) the Hoare annotation is: true [2020-10-29 11:44:10,913 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-29 11:44:10,913 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-29 11:44:10,913 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-29 11:44:10,914 INFO L274 CegarLoopResult]: For program point L640(lines 640 660) no Hoare annotation was computed. [2020-10-29 11:44:10,914 INFO L274 CegarLoopResult]: For program point L640-1(lines 640 660) no Hoare annotation was computed. [2020-10-29 11:44:10,914 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 626 671) no Hoare annotation was computed. [2020-10-29 11:44:10,914 INFO L274 CegarLoopResult]: For program point L657(lines 657 658) no Hoare annotation was computed. [2020-10-29 11:44:10,914 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 650 651) no Hoare annotation was computed. [2020-10-29 11:44:10,914 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 657 658) no Hoare annotation was computed. [2020-10-29 11:44:10,914 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 626 671) no Hoare annotation was computed. [2020-10-29 11:44:10,914 INFO L274 CegarLoopResult]: For program point L650(lines 650 651) no Hoare annotation was computed. [2020-10-29 11:44:10,914 INFO L274 CegarLoopResult]: For program point L646(lines 646 653) no Hoare annotation was computed. [2020-10-29 11:44:10,915 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 626 671) no Hoare annotation was computed. [2020-10-29 11:44:10,915 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 773 782) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:44:10,915 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 773 782) no Hoare annotation was computed. [2020-10-29 11:44:10,915 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 773 782) no Hoare annotation was computed. [2020-10-29 11:44:10,915 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 154 164) the Hoare annotation is: true [2020-10-29 11:44:10,915 INFO L277 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-10-29 11:44:10,915 INFO L274 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-10-29 11:44:10,915 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 154 164) no Hoare annotation was computed. [2020-10-29 11:44:10,915 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 154 164) no Hoare annotation was computed. [2020-10-29 11:44:10,916 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 146 153) the Hoare annotation is: true [2020-10-29 11:44:10,916 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 146 153) no Hoare annotation was computed. [2020-10-29 11:44:10,916 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 146 153) no Hoare annotation was computed. [2020-10-29 11:44:10,916 INFO L270 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,916 INFO L270 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,916 INFO L274 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-10-29 11:44:10,916 INFO L270 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,916 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2020-10-29 11:44:10,916 INFO L274 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-10-29 11:44:10,917 INFO L274 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-10-29 11:44:10,917 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,917 INFO L270 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,917 INFO L274 CegarLoopResult]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2020-10-29 11:44:10,917 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2020-10-29 11:44:10,917 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2020-10-29 11:44:10,917 INFO L270 CegarLoopResult]: At program point L289(lines 242 290) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:44:10,918 INFO L270 CegarLoopResult]: At program point testENTRY(lines 233 296) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:44:10,918 INFO L274 CegarLoopResult]: For program point L279(lines 279 283) no Hoare annotation was computed. [2020-10-29 11:44:10,918 INFO L274 CegarLoopResult]: For program point testFINAL(lines 233 296) no Hoare annotation was computed. [2020-10-29 11:44:10,918 INFO L270 CegarLoopResult]: At program point L279-2(lines 273 284) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:44:10,918 INFO L274 CegarLoopResult]: For program point L244(lines 243 288) no Hoare annotation was computed. [2020-10-29 11:44:10,918 INFO L274 CegarLoopResult]: For program point L273(lines 273 284) no Hoare annotation was computed. [2020-10-29 11:44:10,918 INFO L270 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:44:10,918 INFO L274 CegarLoopResult]: For program point L263(lines 263 269) no Hoare annotation was computed. [2020-10-29 11:44:10,918 INFO L274 CegarLoopResult]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2020-10-29 11:44:10,919 INFO L270 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:44:10,919 INFO L270 CegarLoopResult]: At program point L286(lines 243 288) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:44:10,919 INFO L274 CegarLoopResult]: For program point L253(lines 253 259) no Hoare annotation was computed. [2020-10-29 11:44:10,919 INFO L274 CegarLoopResult]: For program point L253-1(lines 253 259) no Hoare annotation was computed. [2020-10-29 11:44:10,919 INFO L274 CegarLoopResult]: For program point L245(lines 245 249) no Hoare annotation was computed. [2020-10-29 11:44:10,919 INFO L274 CegarLoopResult]: For program point testEXIT(lines 233 296) no Hoare annotation was computed. [2020-10-29 11:44:10,919 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 604 605) no Hoare annotation was computed. [2020-10-29 11:44:10,919 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 611 612) no Hoare annotation was computed. [2020-10-29 11:44:10,920 INFO L274 CegarLoopResult]: For program point L604(lines 604 605) no Hoare annotation was computed. [2020-10-29 11:44:10,920 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 580 625) no Hoare annotation was computed. [2020-10-29 11:44:10,920 INFO L274 CegarLoopResult]: For program point L600(lines 600 607) no Hoare annotation was computed. [2020-10-29 11:44:10,920 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 580 625) no Hoare annotation was computed. [2020-10-29 11:44:10,920 INFO L274 CegarLoopResult]: For program point L594(lines 594 614) no Hoare annotation was computed. [2020-10-29 11:44:10,920 INFO L274 CegarLoopResult]: For program point L594-1(lines 594 614) no Hoare annotation was computed. [2020-10-29 11:44:10,920 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 580 625) no Hoare annotation was computed. [2020-10-29 11:44:10,920 INFO L274 CegarLoopResult]: For program point L611(lines 611 612) no Hoare annotation was computed. [2020-10-29 11:44:10,920 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 913 921) no Hoare annotation was computed. [2020-10-29 11:44:10,921 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 913 921) the Hoare annotation is: true [2020-10-29 11:44:10,921 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 913 921) no Hoare annotation was computed. [2020-10-29 11:44:10,921 INFO L274 CegarLoopResult]: For program point L889(lines 889 897) no Hoare annotation was computed. [2020-10-29 11:44:10,921 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 881 903) no Hoare annotation was computed. [2020-10-29 11:44:10,921 INFO L274 CegarLoopResult]: For program point L889-2(lines 889 897) no Hoare annotation was computed. [2020-10-29 11:44:10,921 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 881 903) no Hoare annotation was computed. [2020-10-29 11:44:10,921 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 881 903) no Hoare annotation was computed. [2020-10-29 11:44:10,921 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 477 579) no Hoare annotation was computed. [2020-10-29 11:44:10,921 INFO L274 CegarLoopResult]: For program point L506(lines 506 522) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point L566(lines 566 573) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point L527(lines 526 546) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point L523(lines 523 564) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 477 579) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-10-29 11:44:10,922 INFO L274 CegarLoopResult]: For program point L565(lines 565 576) no Hoare annotation was computed. [2020-10-29 11:44:10,923 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 477 579) no Hoare annotation was computed. [2020-10-29 11:44:10,923 INFO L274 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-10-29 11:44:10,923 INFO L274 CegarLoopResult]: For program point L526-2(lines 526 546) no Hoare annotation was computed. [2020-10-29 11:44:10,923 INFO L274 CegarLoopResult]: For program point L547(lines 525 548) no Hoare annotation was computed. [2020-10-29 11:44:10,923 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 677 686) no Hoare annotation was computed. [2020-10-29 11:44:10,923 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 677 686) no Hoare annotation was computed. [2020-10-29 11:44:10,923 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 677 686) no Hoare annotation was computed. [2020-10-29 11:44:10,923 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:44:10,924 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-10-29 11:44:10,924 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:44:10,924 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 138 145) no Hoare annotation was computed. [2020-10-29 11:44:10,924 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 138 145) no Hoare annotation was computed. [2020-10-29 11:44:10,924 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 138 145) no Hoare annotation was computed. [2020-10-29 11:44:10,924 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 904 912) the Hoare annotation is: true [2020-10-29 11:44:10,924 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 904 912) no Hoare annotation was computed. [2020-10-29 11:44:10,924 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 904 912) no Hoare annotation was computed. [2020-10-29 11:44:10,925 INFO L274 CegarLoopResult]: For program point L864-1(lines 860 871) no Hoare annotation was computed. [2020-10-29 11:44:10,925 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 860 871) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-29 11:44:10,925 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 860 871) no Hoare annotation was computed. [2020-10-29 11:44:10,925 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:44:10,925 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:44:10,925 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:44:10,925 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 872 880) the Hoare annotation is: true [2020-10-29 11:44:10,925 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 872 880) no Hoare annotation was computed. [2020-10-29 11:44:10,925 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 872 880) no Hoare annotation was computed. [2020-10-29 11:44:10,926 INFO L270 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,926 INFO L274 CegarLoopResult]: For program point L59(lines 58 77) no Hoare annotation was computed. [2020-10-29 11:44:10,926 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,926 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2020-10-29 11:44:10,926 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2020-10-29 11:44:10,926 INFO L270 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,926 INFO L270 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,927 INFO L277 CegarLoopResult]: At program point L737(lines 712 741) the Hoare annotation is: true [2020-10-29 11:44:10,927 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 712 741) no Hoare annotation was computed. [2020-10-29 11:44:10,927 INFO L274 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-10-29 11:44:10,927 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 712 741) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,927 INFO L274 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2020-10-29 11:44:10,927 INFO L270 CegarLoopResult]: At program point L726-1(lines 726 730) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,927 INFO L274 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-10-29 11:44:10,928 INFO L270 CegarLoopResult]: At program point L722-2(lines 722 736) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,928 INFO L270 CegarLoopResult]: At program point L718(line 718) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,928 INFO L274 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-10-29 11:44:10,928 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 836 847) the Hoare annotation is: true [2020-10-29 11:44:10,928 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 836 847) no Hoare annotation was computed. [2020-10-29 11:44:10,928 INFO L274 CegarLoopResult]: For program point L840-1(lines 836 847) no Hoare annotation was computed. [2020-10-29 11:44:10,928 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 766 772) no Hoare annotation was computed. [2020-10-29 11:44:10,928 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 766 772) the Hoare annotation is: true [2020-10-29 11:44:10,929 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:44:10,929 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-29 11:44:10,929 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:44:10,929 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:44:10,929 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 848 859) no Hoare annotation was computed. [2020-10-29 11:44:10,929 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 848 859) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:44:10,929 INFO L274 CegarLoopResult]: For program point L852-1(lines 848 859) no Hoare annotation was computed. [2020-10-29 11:44:10,929 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 298 305) no Hoare annotation was computed. [2020-10-29 11:44:10,930 INFO L274 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-10-29 11:44:10,930 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 298 305) the Hoare annotation is: true [2020-10-29 11:44:10,930 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 298 305) no Hoare annotation was computed. [2020-10-29 11:44:10,930 INFO L270 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,930 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-10-29 11:44:10,930 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2020-10-29 11:44:10,930 INFO L270 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,930 INFO L274 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-10-29 11:44:10,930 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-10-29 11:44:10,931 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 87 111) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,931 INFO L270 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,931 INFO L274 CegarLoopResult]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2020-10-29 11:44:10,931 INFO L270 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:44:10,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:44:10 BoogieIcfgContainer [2020-10-29 11:44:10,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:44:10,950 INFO L168 Benchmark]: Toolchain (without parser) took 44953.93 ms. Allocated memory was 151.0 MB in the beginning and 584.1 MB in the end (delta: 433.1 MB). Free memory was 124.9 MB in the beginning and 234.0 MB in the end (delta: -109.1 MB). Peak memory consumption was 354.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:44:10,951 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:44:10,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.91 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 103.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:44:10,953 INFO L168 Benchmark]: Boogie Preprocessor took 93.45 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-29 11:44:10,953 INFO L168 Benchmark]: RCFGBuilder took 1443.92 ms. Allocated memory is still 151.0 MB. Free memory was 99.3 MB in the beginning and 48.5 MB in the end (delta: 50.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. [2020-10-29 11:44:10,954 INFO L168 Benchmark]: TraceAbstraction took 42684.83 ms. Allocated memory was 151.0 MB in the beginning and 584.1 MB in the end (delta: 433.1 MB). Free memory was 48.5 MB in the beginning and 234.0 MB in the end (delta: -185.5 MB). Peak memory consumption was 277.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:44:10,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 714.91 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 103.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.45 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1443.92 ms. Allocated memory is still 151.0 MB. Free memory was 99.3 MB in the beginning and 48.5 MB in the end (delta: 50.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42684.83 ms. Allocated memory was 151.0 MB in the beginning and 584.1 MB in the end (delta: 433.1 MB). Free memory was 48.5 MB in the beginning and 234.0 MB in the end (delta: -185.5 MB). Peak memory consumption was 277.0 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: 611]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 604]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 657]: 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: 722]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 236 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 292 SDtfs, 748 SDslu, 241 SDs, 0 SdLazy, 1241 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 99 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 320 PreInvPairs, 367 NumberOfFragments, 766 HoareAnnotationTreeSize, 320 FomulaSimplifications, 21547 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 58 FomulaSimplificationsInter, 10435 FormulaSimplificationTreeSizeReductionInter, 11.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 58386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...